| Name | CVE-2018-16881 |
| Description | A denial of service vulnerability was found in rsyslog in the imptcp module. An attacker could send a specially crafted message to the imptcp socket, which would cause rsyslog to crash. Versions before 8.27.0 are vulnerable. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-3016-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| rsyslog (PTS) | jessie, jessie (lts) | 8.4.2-1+deb8u3 | fixed |
| stretch (security), stretch (lts), stretch | 8.24.0-1+deb9u3 | fixed |
| buster (security), buster, buster (lts) | 8.1901.0-1+deb10u2 | fixed |
| bullseye (security), bullseye | 8.2102.0-2+deb11u1 | fixed |
| bookworm | 8.2302.0-1 | fixed |
| sid, trixie | 8.2410.0-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| rsyslog | source | wheezy | (not affected) | | | |
| rsyslog | source | jessie | (not affected) | | | |
| rsyslog | source | stretch | 8.24.0-1+deb9u2 | | DLA-3016-1 | |
| rsyslog | source | (unstable) | 8.27.0-2 | | | |
Notes
[jessie] - rsyslog <not-affected> (Vulnerable code introduced in 8.13.1)
Fixed by: https://github.com/rsyslog/rsyslog/commit/0381a0de64a5a048c3d48b79055bd9848d0c7fc2
Introduced by: https://github.com/rsyslog/rsyslog/commit/6c52f29d593a27f934a1871d40eed84ebde3f3a6
Fix introduces CVE-2022-24903
[wheezy] - rsyslog <not-affected> (Vulnerable code not present, introduced in 8.13.1)