| Name | CVE-2012-6063 |
| Description | Double free vulnerability in the sftp_mkdir function in sftp.c in libssh before 0.5.3 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unspecified vectors, a different vector than CVE-2012-4559. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-2577-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| libssh (PTS) | jessie, jessie (lts) | 0.6.3-4+deb8u6 | fixed |
| stretch (security) | 0.7.3-2+deb9u3 | fixed |
| stretch (lts), stretch | 0.7.3-2+deb9u4 | fixed |
| buster (security), buster, buster (lts) | 0.8.7-1+deb10u2 | fixed |
| bullseye (security), bullseye | 0.9.8-0+deb11u1 | fixed |
| bookworm (security), bookworm | 0.10.6-0+deb12u1 | fixed |
| sid, trixie | 0.11.1-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| libssh | source | squeeze | 0.4.5-3+squeeze1 | | | |
| libssh | source | (unstable) | 0.5.3-1 | | | |
Notes
Fix included in CVE-2012-4559 patch
https://red.libssh.org/issues/84
http://git.libssh.org/projects/libssh.git/commit/?h=v0-5&id=4d8420f3282ed07fc99fc5e930c17df27ef1e9b2