Vulnerability Details : CVE-2013-4391
Integer overflow in the valid_user_field function in journal/journald-native.c in systemd allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a large journal data field, which triggers a heap-based buffer overflow.
Vulnerability category: OverflowExecute codeDenial of service
Exploit prediction scoring system (EPSS) score for CVE-2013-4391
Probability of exploitation activity in the next 30 days: 5.48%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 92 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2013-4391
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST |
CWE ids for CVE-2013-4391
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The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control.Assigned by: nvd@nist.gov (Primary)
References for CVE-2013-4391
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http://www.debian.org/security/2013/dsa-2777
Debian -- Security Information -- DSA-2777-1 systemdThird Party Advisory
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https://security.gentoo.org/glsa/201612-34
systemd: Multiple vulnerabilities (GLSA 201612-34) — Gentoo securityThird Party Advisory
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http://www.openwall.com/lists/oss-security/2013/10/01/9
oss-security - Re: [CVE request] systemdMailing List;Third Party Advisory
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http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=725357
#725357 - CVE-2013-4392: TOCTOU race condition when updating file permissions and SELinux security contexts - Debian Bug report logsIssue Tracking;Mailing List;Patch;Third Party Advisory
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http://cgit.freedesktop.org/systemd/systemd/commit/?id=505b6a61c22d5565e9308045c7b9bf79f7d0517e
systemd/systemd - System and Session ManagerExploit;Patch;Vendor Advisory
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https://bugzilla.redhat.com/show_bug.cgi?id=859051
859051 – (CVE-2013-4391) CVE-2013-4391 systemd: Integer overflow, leading to heap-based buffer overflow by processing native messagesIssue Tracking;Patch;Third Party Advisory
Products affected by CVE-2013-4391
- cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
- cpe:2.3:a:systemd_project:systemd:*:*:*:*:*:*:*:*