CVE-2012-4929

NameCVE-2012-4929
DescriptionThe TLS protocol 1.2 and earlier, as used in Mozilla Firefox, Google Chrome, Qt, and other products, can encrypt compressed data without properly obfuscating the length of the unencrypted data, which allows man-in-the-middle attackers to obtain plaintext HTTP headers by observing length differences during a series of guesses in which a string in an HTTP request potentially matches an unknown string in an HTTP header, aka a "CRIME" attack.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-0008-1, DLA-400-1, DSA-2579-1, DSA-2626-1, DSA-2627-1, DSA-3253-1
Debian Bugs689936, 700399, 700426, 727197, 728055

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
apache2 (PTS)jessie, jessie (lts)2.4.10-10+deb8u29fixed
stretch (security)2.4.25-3+deb9u13fixed
stretch (lts), stretch2.4.25-3+deb9u19fixed
buster, buster (lts)2.4.59-1~deb10u4fixed
buster (security)2.4.59-1~deb10u1fixed
bullseye2.4.62-1~deb11u1fixed
bullseye (security)2.4.62-1~deb11u2fixed
bookworm (security), bookworm2.4.62-1~deb12u2fixed
sid, trixie2.4.62-3fixed
chromium-browser (PTS)jessie, jessie (lts)57.0.2987.98-1~deb8u1fixed
stretch (security), stretch (lts), stretch71.0.3578.80-1~deb9u1fixed
lighttpd (PTS)jessie, jessie (lts)1.4.35-4+deb8u1fixed
stretch (security), stretch (lts), stretch1.4.45-1+deb9u1fixed
buster (security), buster, buster (lts)1.4.53-4+deb10u3fixed
bullseye (security), bullseye1.4.59-1+deb11u2fixed
bookworm1.4.69-1fixed
sid, trixie1.4.76-1fixed
nginx (PTS)jessie, jessie (lts)1.6.2-5+deb8u10fixed
stretch (security)1.10.3-1+deb9u7fixed
stretch (lts), stretch1.10.3-1+deb9u8fixed
buster (security), buster, buster (lts)1.14.2-2+deb10u5fixed
bullseye (security), bullseye1.18.0-6.1+deb11u3fixed
bookworm1.22.1-9fixed
sid, trixie1.26.0-3fixed
openssl (PTS)jessie, jessie (lts)1.0.1t-1+deb8u21fixed
stretch (security)1.1.0l-1~deb9u6fixed
stretch (lts), stretch1.1.0l-1~deb9u9fixed
buster (security), buster, buster (lts)1.1.1n-0+deb10u6fixed
bullseye1.1.1w-0+deb11u1fixed
bullseye (security)1.1.1w-0+deb11u2fixed
bookworm3.0.15-1~deb12u1fixed
bookworm (security)3.0.14-1~deb12u2fixed
sid, trixie3.3.2-2fixed
pound (PTS)jessie, jessie (lts)2.6-6+deb8u3fixed
stretch2.7-1.3+deb9u1fixed
bullseye3.0-2fixed
sid, trixie4.15-1fixed
qt4-x11 (PTS)jessie, jessie (lts)4:4.8.6+git64-g5dc8b2b+dfsg-3+deb8u5fixed
stretch (security)4:4.8.7+dfsg-11+deb9u3fixed
stretch (lts), stretch4:4.8.7+dfsg-11+deb9u4fixed
buster (security), buster, buster (lts)4:4.8.7+dfsg-18+deb10u2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
apache2sourcesqueeze2.2.16-6+squeeze10DSA-2579-1
apache2source(unstable)2.2.22-12689936
chromium-browsersourcesqueeze(unfixed)end-of-life
chromium-browsersource(unstable)22.0.1229.94~r161065-1
iceweaselsource(unstable)(not affected)
lighttpdsourcesqueeze1.4.28-2+squeeze1.2DSA-2626-1
lighttpdsource(unstable)1.4.30-1700399
nginxsourcesqueeze0.7.67-3+squeeze3DSA-2627-1
nginxsource(unstable)1.2.1-2.2700426
opensslsourcesqueeze0.9.8o-4squeeze16
opensslsourcewheezy1.0.1e-2+deb7u11
opensslsource(unstable)1.0.1e-5low728055
poundsourcesqueeze2.6-1+deb6u1DLA-400-1
poundsourcewheezy2.6-2+deb7u1DSA-3253-1
poundsourcejessie2.6-6+deb8u1DSA-3253-1
poundsource(unstable)2.6-3727197
qt4-x11source(unstable)4:4.8.2+dfsg-3

Notes

- iceweasel <not-affected> (Firefox ESV not use TLS/SSL compression)
Chromium fix: https://chromiumcodereview.appspot.com/10825183/
[squeeze] - qt4-x11 <no-dsa> (Minor issue)
openssl redhat announcement https://rhn.redhat.com/errata/RHSA-2013-0587.html
openssl disables compression by default since dc5744cb78da6f2bcafeeefe22c604a51b52dfc5

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