CVE-2020-12862

NameCVE-2020-12862
DescriptionAn out-of-bounds read in SANE Backends before 1.0.30 may allow a malicious device connected to the same local network as the victim to read important information, such as the ASLR offsets of the program, aka GHSL-2020-082.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-2332-1
Debian Bugs961302

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
sane-backends (PTS)buster1.0.27-3.2vulnerable (unimportant)
bullseye1.0.31-4.1fixed
bookworm1.2.1-2fixed
sid, trixie1.2.1-7fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
sane-backendssourceexperimental1.0.30-1~experimental1
sane-backendssourcejessie(not affected)
sane-backendssourcestretch1.0.25-4.1+deb9u1DLA-2332-1
sane-backendssource(unstable)1.0.31-2961302

Notes

[buster] - sane-backends <no-dsa> (Minor issue)
[jessie] - sane-backends <not-affected> (epsonds backend was added in 1.0.25)
https://gitlab.com/sane-project/backends/-/issues/279
https://gitlab.com/sane-project/backends/-/issues/279#issue-5-ghsl-2020-082-out-of-bounds-read-in-decode_binary
https://alioth-lists.debian.net/pipermail/sane-announce/2020/000041.html
https://gitlab.com/sane-project/backends/-/commit/27ea994d23ee52fe1ec1249c92ebc1080a358288 (1.0.30)

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