| Name | CVE-2021-42550 |
| Description | In logback version 1.2.7 and prior versions, an attacker with the required privileges to edit configurations files could craft a malicious configuration allowing to execute arbitrary code loaded from LDAP servers. |
| Source | CVE (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 Package | Release | Version | Status |
|---|
| logback (PTS) | jessie | 1:1.1.2-1+deb8u1 | vulnerable |
| stretch | 1:1.1.9-3 | vulnerable |
| buster | 1:1.2.3-5 | vulnerable |
| bullseye | 1:1.2.3-6 | vulnerable |
| bookworm | 1:1.2.11-3 | fixed |
| sid, trixie | 1:1.2.11-5 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| logback | source | jessie | (unfixed) | end-of-life | | |
| logback | source | (unstable) | 1:1.2.8-1 | | | |
Notes
[bullseye] - logback <no-dsa> (Minor issue)
[buster] - logback <no-dsa> (Minor issue)
[stretch] - logback <no-dsa> (Minor issue)
https://jira.qos.ch/browse/LOGBACK-1591
https://github.com/qos-ch/logback/commit/21d772f2bc2ed780b01b4fe108df7e29707763f1 (v_1.2.8)