CVE-2017-2630

NameCVE-2017-2630
DescriptionA stack buffer overflow flaw was found in the Quick Emulator (QEMU) before 2.9 built with the Network Block Device (NBD) client support. The flaw could occur while processing server's response to a 'NBD_OPT_LIST' request. A malicious NBD server could use this issue to crash a remote NBD client resulting in DoS or potentially execute arbitrary code on client host with privileges of the QEMU process.
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)
NVD severitymedium
Debian Bugs855227

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
qemu (PTS)jessie1:2.1+dfsg-12+deb8u6fixed
jessie (security)1:2.1+dfsg-12+deb8u14fixed
stretch1:2.8+dfsg-6+deb9u8fixed
stretch (security)1:2.8+dfsg-6+deb9u9fixed
buster, buster (security)1:3.1+dfsg-8+deb10u5fixed
bullseye, sid1:5.0-5fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
qemusource(unstable)1:2.8+dfsg-3855227
qemusourcejessie(not affected)
qemusourcewheezy(not affected)
qemu-kvmsource(unstable)(not affected)

Notes

[jessie] - qemu <not-affected> (Vulnerable code introduced in v2.8.0-rc0)
[wheezy] - qemu <not-affected> (Vulnerable code introduced in v2.8.0-rc0)
- qemu-kvm <not-affected> (Vulnerable code introduced later)
Upstream patch: https://lists.gnu.org/archive/html/qemu-devel/2017-02/msg01246.html
https://bugzilla.redhat.com/show_bug.cgi?id=1422415

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