Vulnerability Details : CVE-2009-4020
Stack-based buffer overflow in the hfs subsystem in the Linux kernel 2.6.32 allows remote attackers to have an unspecified impact via a crafted Hierarchical File System (HFS) filesystem, related to the hfs_readdir function in fs/hfs/dir.c.
Vulnerability category: Overflow
Threat overview for CVE-2009-4020
Top countries where our scanners detected CVE-2009-4020
Top open port discovered on systems with this issue
80
IPs affected by CVE-2009-4020 56
Threat actors abusing to this issue?
Yes
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Exploit prediction scoring system (EPSS) score for CVE-2009-4020
Probability of exploitation activity in the next 30 days: 10.07%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 95 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2009-4020
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
7.8
|
HIGH | AV:N/AC:L/Au:N/C:N/I:N/A:C |
10.0
|
6.9
|
NIST |
CWE ids for CVE-2009-4020
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The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.Assigned by: nvd@nist.gov (Primary)
Vendor statements for CVE-2009-4020
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Red Hat 2010-02-04This issue did not affect the version of the Linux kernel as shipped with Red Hat Enterprise MRG as the affected driver is not enabled in this kernel. It was addressed in Red Hat Enterprise Linux 4 and 5 via https://rhn.redhat.com/errata/RHSA-2010-0076.html and https://rhn.redhat.com/errata/RHSA-2010-0046.html respectively. Red Hat Enterprise Linux 3 is now in Production 3 of the maintenance life-cycle, http://www.redhat.com/security/updates/errata, and this issue is rated as having low impact, therefore the fix for this issue is not currently planned to be included in the future updates.
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http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00005.html
[security-announce] SUSE Security Announcement: Linux kernel (SUSE-SA:2010:005) - openSUSE Security Announce - openSUSE Mailing Lists
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http://marc.info/?l=linux-mm-commits&m=125987755823047&w=2
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https://rhn.redhat.com/errata/RHSA-2010-0046.html
RHSA-2010:0046 - Security Advisory - Red Hat Customer Portal
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http://userweb.kernel.org/~akpm/mmotm/broken-out/hfs-fix-a-potential-buffer-overflow.patch
Patch
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http://lists.opensuse.org/opensuse-security-announce/2010-03/msg00007.html
[security-announce] SUSE Security Announcement: Linux kernel (SUSE-SA:20
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http://www.novell.com/linux/security/advisories/2010_23_kernel.html
404 Page Not Found | SUSE
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http://support.avaya.com/css/P8/documents/100073666
ASA-2010-026 (RHSA-2010-0046)
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https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6750
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https://rhn.redhat.com/errata/RHSA-2010-0095.html
RHSA-2010:0095 - Security Advisory - Red Hat Customer Portal
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https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10091
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https://bugzilla.redhat.com/show_bug.cgi?id=540736
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http://www.openwall.com/lists/oss-security/2009/12/04/1
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http://www.debian.org/security/2010/dsa-2005
Debian -- Security Information -- DSA-2005-1 linux-2.6.24
- cpe:2.3:o:linux:linux_kernel:2.6.32:*:*:*:*:*:*:*