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Freebsd » Freebsd : Security Vulnerabilities (CVSS score between 5 and 5.99)

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# CVE ID CWE ID # of Exploits Vulnerability Type(s) Publish Date Update Date Score Gained Access Level Access Complexity Authentication Conf. Integ. Avail.
1 CVE-2007-6754 189 Overflow 2012-07-25 2012-07-26
5.0
 None Remote Low Not required None None Partial
The ipalloc function in libc/stdlib/malloc.c in jemalloc in libc for FreeBSD 6.4 and NetBSD does not properly allocate memory, which makes it easier for context-dependent attackers to perform memory-related attacks such as buffer overflows via a large size value, related to "integer rounding and overflow" errors.
2 CVE-2006-7252 189 Overflow 2012-07-25 2012-07-26
5.0
 None Remote Low Not required None None Partial
Integer overflow in the calloc function in libc/stdlib/malloc.c in jemalloc in libc for FreeBSD 6.4 and NetBSD makes it easier for context-dependent attackers to perform memory-related attacks such as buffer overflows via a large size value, which triggers a memory allocation of one byte.
3 CVE-2006-5680 DoS 2006-11-08 2008-09-05
5.0
 None Remote Low Not required None None Partial
The libarchive library in FreeBSD 6-STABLE after 2006-09-05 and before 2006-11-08 allows context-dependent attackers to cause a denial of service (CPU consumption) via a malformed archive that causes libarchive to skip a region past the actual end of the archive, which triggers an infinite loop that attempts to read more data.
4 CVE-2006-0883 399 DoS 2006-03-06 2011-08-26
5.0
 None Remote Low Not required None None Partial
OpenSSH on FreeBSD 5.3 and 5.4, when used with OpenPAM, does not properly handle when a forked child process terminates during PAM authentication, which allows remote attackers to cause a denial of service (client connection refusal) by connecting multiple times to the SSH server, waiting for the password prompt, then disconnecting.
5 CVE-2006-0433 DoS 2006-02-02 2008-09-05
5.0
 None Remote Low Not required None None Partial
Selective Acknowledgement (SACK) in FreeBSD 5.3 and 5.4 does not properly handle an incoming selective acknowledgement when there is insufficient memory, which might allow remote attackers to cause a denial of service (infinite loop).
6 CVE-2006-0381 DoS 2006-01-25 2008-09-05
5.0
 None Remote Low Not required None None Partial
A logic error in the IP fragment cache functionality in pf in FreeBSD 5.3, 5.4, and 6.0, and OpenBSD, when a 'scrub fragment crop' or 'scrub fragment drop-ovl' rule is being used, allows remote attackers to cause a denial of service (crash) via crafted packets that cause a packet fragment to be inserted twice.
7 CVE-2006-0054 DoS 2006-01-11 2008-09-05
5.0
 None Remote Low Not required None None Partial
The ipfw firewall in FreeBSD 6.0-RELEASE allows remote attackers to cause a denial of service (firewall crash) via ICMP IP fragments that match a reset, reject or unreach action, which leads to an access of an uninitialized pointer.
8 CVE-2005-2359 2005-08-05 2008-09-05
5.0
 None Remote Low Not required None Partial None
The AES-XCBC-MAC algorithm in IPsec in FreeBSD 5.3 and 5.4, when used for authentication without other encryption, uses a constant key instead of the one that was assigned by the system administrator, which can allow remote attackers to spoof packets to establish an IPsec session.
9 CVE-2005-2068 2005-07-05 2008-09-05
5.0
 None Remote Low Not required None Partial None
FreeBSD 4.x through 4.11 and 5.x through 5.4 allows remote attackers to modify certain TCP options via a TCP packet with the SYN flag set for an already established session.
10 CVE-2005-2019 Bypass 2005-07-05 2008-09-05
5.0
 None Remote Low Not required None Partial None
ipfw in FreeBSD 5.4, when running on Symmetric Multi-Processor (SMP) or Uni Processor (UP) systems with the PREEMPTION kernel option enabled, does not sufficiently lock certain resources while performing table lookups, which can cause the cache results to be corrupted during multiple concurrent lookups, allowing remote attackers to bypass intended access restrictions.
11 CVE-2005-0356 DoS 2005-05-31 2008-09-05
5.0
 None Remote Low Not required None None Partial
Multiple TCP implementations with Protection Against Wrapped Sequence Numbers (PAWS) with the timestamps option enabled allow remote attackers to cause a denial of service (connection loss) via a spoofed packet with a large timer value, which causes the host to discard later packets because they appear to be too old.
12 CVE-2004-0171 DoS 2004-03-15 2008-09-05
5.0
 None Remote Low Not required None None Partial
FreeBSD 5.1 and earlier, and Mac OS X before 10.3.4, allows remote attackers to cause a denial of service (resource exhaustion of memory buffers and system crash) via a large number of out-of-sequence TCP packets, which prevents the operating system from creating new connections.
13 CVE-2004-0112 DoS 2004-11-23 2010-08-21
5.0
 None Remote Low Not required None None Partial
The SSL/TLS handshaking code in OpenSSL 0.9.7a, 0.9.7b, and 0.9.7c, when using Kerberos ciphersuites, does not properly check the length of Kerberos tickets during a handshake, which allows remote attackers to cause a denial of service (crash) via a crafted SSL/TLS handshake that causes an out-of-bounds read.
14 CVE-2004-0081 DoS 2004-11-23 2010-08-21
5.0
 None Remote Low Not required None None Partial
OpenSSL 0.9.6 before 0.9.6d does not properly handle unknown message types, which allows remote attackers to cause a denial of service (infinite loop), as demonstrated using the Codenomicon TLS Test Tool.
15 CVE-2004-0079 DoS 2004-11-23 2010-08-21
5.0
 None Remote Low Not required None None Partial
The do_change_cipher_spec function in OpenSSL 0.9.6c to 0.9.6k, and 0.9.7a to 0.9.7c, allows remote attackers to cause a denial of service (crash) via a crafted SSL/TLS handshake that triggers a null dereference.
16 CVE-2003-0804 DoS 2003-11-17 2008-09-10
5.0
 None Remote Low Not required None None Partial
The arplookup function in FreeBSD 5.1 and earlier, Mac OS X before 10.2.8, and possibly other BSD-based systems, allows remote attackers on a local subnet to cause a denial of service (resource starvation and panic) via a flood of spoofed ARP requests.
17 CVE-2003-0688 DoS 2003-10-20 2008-09-10
5.0
 None Remote Low Not required None None Partial
The DNS map code in Sendmail 8.12.8 and earlier, when using the "enhdnsbl" feature, does not properly initialize certain data structures, which allows remote attackers to cause a denial of service (process crash) via an invalid DNS response that causes Sendmail to free incorrect data.
18 CVE-2003-0078 +Info 2003-03-03 2008-09-10
5.0
 None Remote Low Not required Partial None None
ssl3_get_record in s3_pkt.c for OpenSSL before 0.9.7a and 0.9.6 before 0.9.6i does not perform a MAC computation if an incorrect block cipher padding is used, which causes an information leak (timing discrepancy) that may make it easier to launch cryptographic attacks that rely on distinguishing between padding and MAC verification errors, possibly leading to extraction of the original plaintext, aka the "Vaudenay timing attack."
19 CVE-2003-0001 +Info 2003-01-17 2008-09-10
5.0
 None Remote Low Not required Partial None None
Multiple ethernet Network Interface Card (NIC) device drivers do not pad frames with null bytes, which allows remote attackers to obtain information from previous packets or kernel memory by using malformed packets, as demonstrated by Etherleak.
20 CVE-2002-1221 DoS 2002-11-29 2008-09-10
5.0
 None Remote Low Not required None None Partial
BIND 8.x through 8.3.3 allows remote attackers to cause a denial of service (crash) via SIG RR elements with invalid expiry times, which are removed from the internal BIND database and later cause a null dereference.
21 CVE-2002-1220 DoS 2002-11-29 2008-09-10
5.0
 None Remote Low Not required None None Partial
BIND 8.3.x through 8.3.3 allows remote attackers to cause a denial of service (termination due to assertion failure) via a request for a subdomain that does not exist, with an OPT resource record with a large UDP payload size.
22 CVE-2002-0830 DoS 2002-08-12 2008-09-05
5.0
 None Remote Low Not required None None Partial
Network File System (NFS) in FreeBSD 4.6.1 RELEASE-p7 and earlier, NetBSD 1.5.3 and earlier, and possibly other operating systems, allows remote attackers to cause a denial of service (hang) via an RPC message with a zero length payload, which causes NFS to reference a previous payload and enter an infinite loop.
23 CVE-2002-0794 DoS 2002-08-12 2008-09-05
5.0
 None Remote Low Not required None None Partial
The accept_filter mechanism in FreeBSD 4 through 4.5 does not properly remove entries from the incomplete listen queue when adding a syncache, which allows remote attackers to cause a denial of service (network service availability) via a large number of connection attempts, which fills the queue.
24 CVE-2002-0666 DoS 2002-11-04 2008-09-10
5.0
 None Remote Low Not required None None Partial
IPSEC implementations including (1) FreeS/WAN and (2) KAME do not properly calculate the length of authentication data, which allows remote attackers to cause a denial of service (kernel panic) via spoofed, short Encapsulating Security Payload (ESP) packets, which result in integer signedness errors.
25 CVE-2002-0574 DoS 2002-07-03 2008-09-05
5.0
 None Remote Low Not required None None Partial
Memory leak in FreeBSD 4.5 and earlier allows remote attackers to cause a denial of service (memory exhaustion) via ICMP echo packets that trigger a bug in ip_output() in which the reference count for a routing table entry is not decremented, which prevents the entry from being removed.
26 CVE-2002-0518 DoS 2002-08-12 2008-09-05
5.0
 None Remote Low Not required None None Partial
The SYN cache (syncache) and SYN cookie (syncookie) mechanism in FreeBSD 4.5 and earlier allows remote attackers to cause a denial of service (crash) (1) via a SYN packet that is accepted using syncookies that causes a null pointer to be referenced for the socket's TCP options, or (2) by killing and restarting a process that listens on the same socket, which does not properly clear the old inpcb pointer on restart.
27 CVE-2002-0381 Bypass 2002-06-25 2008-09-05
5.0
 None Remote Low Not required Partial None None
The TCP implementation in various BSD operating systems (tcp_input.c) does not properly block connections to broadcast addresses, which could allow remote attackers to bypass intended filters via packets with a unicast link layer address and an IP broadcast address.
28 CVE-2001-1244 DoS 2001-07-07 2008-09-05
5.0
 None Remote Low Not required None None Partial
Multiple TCP implementations could allow remote attackers to cause a denial of service (bandwidth and CPU exhaustion) by setting the maximum segment size (MSS) to a very small number and requesting large amounts of data, which generates more packets with less TCP-level data that amplify network traffic and consume more server CPU to process.
29 CVE-2001-1166 2001-08-21 2008-09-05
5.0
 None Remote Low Not required Partial None None
linprocfs on FreeBSD 4.3 and earlier does not properly restrict access to kernel memory, which allows one process with debugging rights on a privileged process to read restricted memory from that process.
30 CVE-2001-0796 DoS 2001-12-06 2008-09-05
5.0
 None Remote Low Not required None None Partial
SGI IRIX 6.5 through 6.5.12f and possibly earlier versions, and FreeBSD 3.0, allows remote attackers to cause a denial of service via a malformed IGMP multicast packet with a small response delay.
31 CVE-2001-0710 DoS 2001-09-20 2008-09-05
5.0
 None Remote Low Not required None None Partial
NetBSD 1.5 and earlier and FreeBSD 4.3 and earlier allows a remote attacker to cause a denial of service by sending a large number of IP fragments to the machine, exhausting the mbuf pool.
32 CVE-2001-0469 DoS 2001-06-27 2008-09-05
5.0
 None Remote Low Not required None None Partial
rwho daemon rwhod in FreeBSD 4.2 and earlier, and possibly other operating systems, allows remote attackers to cause a denial of service via malformed packets with a short length.
33 CVE-2001-0196 2001-05-03 2008-09-05
5.0
 None Remote Low Not required Partial None None
inetd ident server in FreeBSD 4.x and earlier does not properly set group permissions, which allows remote attackers to read the first 16 bytes of files that are accessible by the wheel group.
34 CVE-2000-1184 DoS 2001-01-09 2008-09-05
5.0
 None Remote Low Not required None None Partial
telnetd in FreeBSD 4.2 and earlier, and possibly other operating systems, allows remote attackers to cause a denial of service by specifying an arbitrary large file in the TERMCAP environmental variable, which consumes resources as the server processes the file.
35 CVE-2000-1066 DoS 2000-12-11 2008-09-05
5.0
 None Remote Low Not required None None Partial
The getnameinfo function in FreeBSD 4.1.1 and earlier, and possibly other operating systems, allows a remote attacker to cause a denial of service via a long DNS hostname.
36 CVE-2000-0915 2000-12-19 2008-09-05
5.0
 None Remote Low Not required Partial None None
fingerd in FreeBSD 4.1.1 allows remote attackers to read arbitrary files by specifying the target file name instead of a regular user name.
37 CVE-2000-0594 DoS 2000-07-04 2008-09-10
5.0
 None Remote Low Not required None None Partial
BitchX IRC client does not properly cleanse an untrusted format string, which allows remote attackers to cause a denial of service via an invite to a channel whose name includes special formatting characters.
38 CVE-2000-0535 2000-06-12 2008-09-10
5.0
 None Remote Low Not required None Partial None
OpenSSL 0.9.4 and OpenSSH for FreeBSD do not properly check for the existence of the /dev/random or /dev/urandom devices, which are absent on FreeBSD Alpha systems, which causes them to produce weak keys which may be more easily broken.
39 CVE-2000-0440 DoS 2000-05-01 2008-09-10
5.0
 None Remote Low Not required None None Partial
NetBSD 1.4.2 and earlier allows remote attackers to cause a denial of service by sending a packet with an unaligned IP timestamp option.
40 CVE-1999-1518 DoS Bypass 1999-07-15 2008-09-05
5.0
 None Remote Low Not required None None Partial
Operating systems with shared memory implementations based on BSD 4.4 code allow a user to conduct a denial of service and bypass memory limits (e.g., as specified with rlimits) using mmap or shmget to allocate memory and cause page faults.
41 CVE-1999-1339 DoS 1999-12-31 2008-09-05
5.0
 None Remote Low Not required None None Partial
Vulnerability when Network Address Translation (NAT) is enabled in Linux 2.2.10 and earlier with ipchains, or FreeBSD 3.2 with ipfw, allows remote attackers to cause a denial of service (kernel panic) via a ping -R (record route) command.
42 CVE-1999-0783 DoS 1998-06-16 2008-09-09
5.0
 None Remote Low Not required None None Partial
FreeBSD allows local users to conduct a denial of service by creating a hard link from a device special file to a file on an NFS file system.
43 CVE-1999-0628 1997-07-01 2008-09-09
5.0
 None Remote Low Not required Partial None None
The rwho/rwhod service is running, which exposes machine status and user information.
44 CVE-1999-0513 DoS 1998-01-05 2008-09-09
5.0
 None Remote Low Not required None None Partial
ICMP messages to broadcast addresses are allowed, allowing for a Smurf attack that can cause a denial of service.
45 CVE-1999-0345 DoS 1997-01-01 2008-09-09
5.0
 None Remote Low Not required None None Partial
Jolt ICMP attack causes a denial of service in Windows 95 and Windows NT systems.
46 CVE-1999-0305 1998-02-01 2008-09-09
5.0
 None Remote Low Not required Partial None None
The system configuration control (sysctl) facility in BSD based operating systems OpenBSD 2.2 and earlier, and FreeBSD 2.2.5 and earlier, does not properly restrict source routed packets even when the (1) dosourceroute or (2) forwarding variables are set, which allows remote attackers to spoof TCP connections.
47 CVE-1999-0096 1996-12-10 2008-09-09
5.0
 None Remote Low Not required None Partial None
Sendmail decode alias can be used to overwrite sensitive files.
48 CVE-1999-0061 1997-10-02 2008-09-09
5.1
 User Remote High Not required Partial Partial Partial
File creation and deletion, and remote execution, in the BSD line printer daemon (lpd).
49 CVE-1999-0053 DoS 1998-10-13 2008-09-05
5.0
 None Remote Low Not required None None Partial
TCP RST denial of service in FreeBSD.
50 CVE-1999-0052 DoS 1998-11-04 2008-09-09
5.0
 None Remote Low Not required None None Partial
IP fragmentation denial of service in FreeBSD allows a remote attacker to cause a crash.
Total number of vulnerabilities : 51   Page : 1 (This Page)2
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