CVE-2019-20503

NameCVE-2019-20503
Descriptionusrsctp before 2019-12-20 has out-of-bounds reads in sctp_load_addresses_from_init.
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-2140-1, DLA-2150-1, DSA-4639-1, DSA-4642-1, DSA-4645-1
NVD severitymedium
Debian Bugs953270

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
chromium (PTS)stretch (security), stretch73.0.3683.75-1~deb9u1vulnerable
buster, buster (security)83.0.4103.116-1~deb10u3fixed
bullseye, sid83.0.4103.116-3fixed
firefox (PTS)sid79.0-1fixed
firefox-esr (PTS)stretch68.10.0esr-1~deb9u1fixed
stretch (security)68.11.0esr-1~deb9u1fixed
buster68.10.0esr-1~deb10u1fixed
buster (security)68.11.0esr-1~deb10u1fixed
bullseye, sid68.11.0esr-1fixed
libusrsctp (PTS)buster0.9.3.0+20190127-2vulnerable
bullseye, sid0.9.3.0+20200422-1fixed
thunderbird (PTS)stretch1:68.10.0-1~deb9u1fixed
stretch (security)1:68.11.0-1~deb9u1fixed
buster1:68.10.0-1~deb10u1fixed
buster (security)1:68.11.0-1~deb10u1fixed
bullseye1:68.11.0-1fixed
sid1:68.11.0-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
chromiumsourcestretch(unfixed)end-of-life
chromiumsourcebuster80.0.3987.149-1~deb10u1DSA-4645-1
chromiumsource(unstable)80.0.3987.149-1
firefoxsource(unstable)74.0-1
firefox-esrsourcejessie68.6.0esr-1~deb8u1DLA-2140-1
firefox-esrsourcestretch68.6.0esr-1~deb9u1DSA-4639-1
firefox-esrsourcebuster68.6.0esr-1~deb10u1DSA-4639-1
firefox-esrsource(unstable)68.6.0esr-1
libusrsctpsource(unstable)0.9.3.0+20200312-1953270
thunderbirdsourcejessie1:68.6.0-1~deb8u1DLA-2150-1
thunderbirdsourcestretch1:68.6.0-1~deb9u1DSA-4642-1
thunderbirdsourcebuster1:68.6.0-1~deb10u1DSA-4642-1
thunderbirdsource(unstable)1:68.6.0-1

Notes

[buster] - libusrsctp <no-dsa> (Minor issue)
[stretch] - chromium <end-of-life> (see DSA 4562)
https://www.mozilla.org/en-US/security/advisories/mfsa2020-10/#CVE-2019-20503
https://www.mozilla.org/en-US/security/advisories/mfsa2020-09/#CVE-2019-20503
https://www.mozilla.org/en-US/security/advisories/mfsa2020-08/#CVE-2019-20503
https://bugs.chromium.org/p/project-zero/issues/detail?id=1992
https://github.com/sctplab/usrsctp/commit/790a7a2555aefb392a5a69923f1e9d17b4968467

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