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Debian Security Advisory DSA 2895-1 (prosody - security update)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
A denial-of-service vulnerability has been reported in Prosody, a XMPP server. If compression is enabled, an attacker might send highly-compressed XML elements (attack known as zip bomb) over XMPP streams and consume all the resources of the server. The SAX XML parser lua-expat is also affected by this issues.
Affected Software
Affected Software
prosody on Debian Linux
Detection Method
Detection Method
This check tests the installed software version using the apt package manager.
Solution
Solution
For the stable distribution (wheezy), this problem has been fixed in version 0.8.2-4+deb7u1 of prosody. For the unstable distribution (sid), this problem has been fixed in version 0.9.4-1 of prosody. For the stable distribution (wheezy), this problem has been fixed in version 1.2.0-5+deb7u1 of lua-expat. For the unstable distribution (sid), this problem has been fixed in version 1.3.0-1 lua-expat. We recommend that you upgrade your prosody and lua-expat packages.