CVE-2015-1779

NameCVE-2015-1779
DescriptionThe VNC websocket frame decoder in QEMU allows remote attackers to cause a denial of service (memory and CPU consumption) via a large (1) websocket payload or (2) HTTP headers section.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-3259-1
NVD severityhigh (attack range: remote)
Debian Bugs781250

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
qemu (PTS)wheezy1.1.2+dfsg-6a+deb7u12fixed
wheezy (security)1.1.2+dfsg-6+deb7u23fixed
jessie (security), jessie1:2.1+dfsg-12+deb8u6fixed
stretch1:2.8+dfsg-6fixed
stretch (security)1:2.8+dfsg-6+deb9u2fixed
buster1:2.8+dfsg-7fixed
sid1:2.10.0+dfsg-1fixed
qemu-kvm (PTS)wheezy1.1.2+dfsg-6+deb7u12fixed
wheezy (security)1.1.2+dfsg-6+deb7u23fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
qemusource(unstable)1:2.3+dfsg-1high781250
qemusourcejessie1:2.1+dfsg-12highDSA-3259-1
qemusourcesqueeze(not affected)
qemusourcewheezy(not affected)
qemu-kvmsource(unstable)(not affected)

Notes

[wheezy] - qemu <not-affected> (Websocket protocol support introduced in v1.4.0-rc0)
[squeeze] - qemu <not-affected> (Websocket protocol support introduced in v1.4.0-rc0)
- qemu-kvm <not-affected> (Websocket protocol support introduced in v1.4.0-rc0)
https://lists.gnu.org/archive/html/qemu-devel/2015-03/msg04894.html
Original patches have problem: https://lists.gnu.org/archive/html/qemu-devel/2015-03/msg04995.html
http://git.qemu.org/?p=qemu.git;a=commit;h=a2bebfd6e09d
http://git.qemu.org/?p=qemu.git;a=commit;h=2cdb5e142fb93

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