CVE-2016-6831

NameCVE-2016-6831
DescriptionThe "process-execute" and "process-spawn" procedures did not free memory correctly when the execve() call failed, resulting in a memory leak. This could be abused by an attacker to cause resource exhaustion or a denial of service. This affects all releases of CHICKEN up to and including 4.11 (it will be fixed in 4.12 and 5.0, which are not yet released).
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-643-1
NVD severitymedium (attack range: remote)
Debian Bugs834845

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
chicken (PTS)wheezy4.7.0-1vulnerable
wheezy (security)4.7.0-1+deb7u2fixed
jessie4.9.0.1-1vulnerable
stretch4.11.0-1vulnerable
buster, sid4.12.0-0.3fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
chickensource(unstable)4.12.0-0.2medium834845
chickensourcewheezy4.7.0-1+deb7u1mediumDLA-643-1

Notes

[stretch] - chicken <no-dsa> (Minor issue)
[jessie] - chicken <no-dsa> (Minor issue)
Fixed in the same upstream patch which is provided for CVE-2016-6830

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