CVE-2015-5621

NameCVE-2015-5621
DescriptionThe snmp_pdu_parse function in snmp_api.c in net-snmp 5.7.2 and earlier does not remove the varBind variable in a netsnmp_variable_list item when parsing of the SNMP PDU fails, which allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted packet.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-1317-1, DSA-4154-1
Debian Bugs788964

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
net-snmp (PTS)bullseye (security), bullseye5.9+dfsg-4+deb11u1fixed
bookworm5.9.3+dfsg-2fixed
sid, trixie5.9.4+dfsg-1.1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
net-snmpsourcewheezy5.4.3~dfsg-2.8+deb7u2DLA-1317-1
net-snmpsourcejessie5.7.2.1+dfsg-1+deb8u1DSA-4154-1
net-snmpsource(unstable)5.7.3+dfsg-1.1788964

Notes

[squeeze] - net-snmp <no-dsa> (Minor issue)
https://www.openwall.com/lists/oss-security/2015/04/13/1
Upstream patch: https://sourceforge.net/p/net-snmp/code/ci/f23bcd3ac6ddee5d0a48f9703007ccc738914791/
https://sourceforge.net/p/net-snmp/bugs/2615/ (currently not public)

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