CVE-2018-18066

NameCVE-2018-18066
Descriptionsnmp_oid_compare in snmplib/snmp_api.c in Net-SNMP before 5.8 has a NULL Pointer Exception bug that can be used by an unauthenticated attacker to remotely cause the instance to crash via a crafted UDP packet, resulting in Denial of Service.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
net-snmp (PTS)buster5.7.3+dfsg-5+deb10u2fixed
buster (security)5.7.3+dfsg-5+deb10u4fixed
bullseye (security), bullseye5.9+dfsg-4+deb11u1fixed
bookworm5.9.3+dfsg-2fixed
trixie5.9.4+dfsg-1fixed
sid5.9.4+dfsg-1.1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
net-snmpsourcejessie5.7.2.1+dfsg-1+deb8u1
net-snmpsource(unstable)5.7.3+dfsg-1.1

Notes

https://sourceforge.net/p/net-snmp/code/ci/f23bcd3ac6ddee5d0a48f9703007ccc738914791/
The same commit as for other CVEs (CVE-2018-1000116, CVE-2015-5621) adresses this
issue, but might still not be just a duplicate but an independent issue fixed with
same commit.

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