CVE-2019-5094

NameCVE-2019-5094
DescriptionAn exploitable code execution vulnerability exists in the quota file functionality of E2fsprogs 1.45.3. A specially crafted ext4 partition can cause an out-of-bounds write on the heap, resulting in code execution. An attacker can corrupt a partition to trigger this vulnerability.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-1935-1, DSA-4535-1
NVD severitymedium
Debian Bugs941139

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
e2fsprogs (PTS)jessie1.42.12-2vulnerable
jessie (security)1.42.12-2+deb8u1fixed
stretch1.43.4-2vulnerable
stretch (security)1.43.4-2+deb9u1fixed
buster1.44.5-1+deb10u1vulnerable
buster (security)1.44.5-1+deb10u2fixed
bullseye, sid1.45.4-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
e2fsprogssource(unstable)1.45.4-1941139
e2fsprogssourcebuster1.44.5-1+deb10u2DSA-4535-1
e2fsprogssourcejessie1.42.12-2+deb8u1DLA-1935-1
e2fsprogssourcestretch1.43.4-2+deb9u1DSA-4535-1

Notes

https://git.kernel.org/pub/scm/fs/ext2/e2fsprogs.git/commit/?h=maint&id=8dbe7b475ec5e91ed767239f0e85880f416fc384
https://talosintelligence.com/vulnerability_reports/TALOS-2019-0887

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