CVE-2019-5087

NameCVE-2019-5087
DescriptionAn exploitable integer overflow vulnerability exists in the flattenIncrementally function in the xcf2png and xcf2pnm binaries of xcftools 1.0.7. An integer overflow can occur while calculating the row's allocation size, that could be exploited to corrupt memory and eventually execute arbitrary code. In order to trigger this vulnerability, a victim would need to open a specially crafted XCF file.
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-2553-1
NVD severitymedium
Debian Bugs945317

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
xcftools (PTS)stretch1.0.7-6vulnerable
stretch (security)1.0.7-6+deb9u2fixed
buster1.0.7-6+deb10u1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
xcftoolssourcestretch1.0.7-6+deb9u1DLA-2553-1
xcftoolssourcebuster1.0.7-6+deb10u1
xcftoolssource(unstable)1.0.7-6.1945317

Notes

https://github.com/j-jorge/xcftools/issues/13
https://talosintelligence.com/vulnerability_reports/TALOS-2019-0879
Search for package or bug name: Reporting problems