CVE-2018-3837

NameCVE-2018-3837
DescriptionAn exploitable information disclosure vulnerability exists in the PCX image rendering functionality of Simple DirectMedia Layer SDL2_image-2.0.2. A specially crafted PCX image can cause an out-of-bounds read on the heap, resulting in information disclosure . An attacker can display a specially crafted image 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-1341-1, DSA-4177-1, DSA-4184-1
NVD severitymedium (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libsdl2-image (PTS)jessie (security), jessie2.0.0+dfsg-3+deb8u1fixed
stretch (security), stretch2.0.1+dfsg-2+deb9u1fixed
buster, sid2.0.4+dfsg1-1fixed
sdl-image1.2 (PTS)jessie (security), jessie1.2.12-5+deb8u1fixed
stretch (security), stretch1.2.12-5+deb9u1fixed
buster, sid1.2.12-10fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libsdl2-imagesource(unstable)2.0.3+dfsg1-1medium
libsdl2-imagesourcejessie2.0.0+dfsg-3+deb8u1mediumDSA-4177-1
libsdl2-imagesourcestretch2.0.1+dfsg-2+deb9u1mediumDSA-4177-1
sdl-image1.2source(unstable)1.2.12-8medium
sdl-image1.2sourcejessie1.2.12-5+deb8u1mediumDSA-4184-1
sdl-image1.2sourcestretch1.2.12-5+deb9u1mediumDSA-4184-1
sdl-image1.2sourcewheezy1.2.12-2+deb7u2mediumDLA-1341-1

Notes

https://hg.libsdl.org/SDL_image/rev/2938fc80591abeae74b971cbdf966eff3213297e
https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0519

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