From:
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- ------------------------------------------------------------------------- Debian Security Advisory DSA-3271-1
[email protected] http://www.debian.org/security/ Alessandro Ghedini
May 23, 2015
http://www.debian.org/security/faq
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Package : nbd
CVE ID : CVE-2013-7441 CVE-2015-0847
Debian Bug : 781547 784657
Tuomas Räsänen discovered that unsafe signal handling in nbd-server, the server for the Network Block Device protocol, could allow remote
attackers to cause a deadlock in the server process and thus a denial of service.
Tuomas Räsänen also discovered that the modern-style negotiation was
carried out in the main server process before forking the actual client handler. This could allow a remote attacker to cause a denial of service (crash) by querying a non-existent export. This issue only affected the oldstable distribution (wheezy).
For the oldstable distribution (wheezy), these problems have been fixed
in version 1:3.2-4~deb7u5.
For the stable distribution (jessie), these problems have been fixed in
version 1:3.8-4+deb8u1.
For the testing distribution (stretch), these problems have been fixed
in version 1:3.10-1.
For the unstable distribution (sid), these problems have been fixed in
version 1:3.10-1.
We recommend that you upgrade your nbd packages.
Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at:
https://www.debian.org/security/
Mailing list:
[email protected]
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