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Debian Security Advisory DSA-3439-1 security@debian.org
https://www.debian.org/security/ Salvatore Bonaccorso
January 10, 2016 https://www.debian.org/security/faq
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Package : prosody
CVE ID : CVE-2016-1231 CVE-2016-1232

Two vulnerabilities were discovered in Prosody, a lightweight
Jabber/XMPP server. The Common Vulnerabilities and Exposures project
identifies the following issues:

CVE-2016-1231

Kim Alvefur discovered a flaw in Prosody’s HTTP file-serving module
that allows it to serve requests outside of the configured public
root directory. A remote attacker can exploit this flaw to access
private files including sensitive data. The default configuration
does not enable the mod_http_files module and thus is not
vulnerable.

CVE-2016-1232

Thijs Alkemade discovered that Prosody’s generation of the secret
token for server-to-server dialback authentication relied upon a
weak random number generator that was not cryptographically secure.
A remote attacker can take advantage of this flaw to guess at
probable values of the secret key and impersonate the affected
domain to other servers on the network.

For the oldstable distribution (wheezy), these problems have been fixed
in version 0.8.2-4+deb7u3.

For the stable distribution (jessie), these problems have been fixed in
version 0.9.7-2+deb8u2.

We recommend that you upgrade your prosody 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: debian-security-announce@lists.debian.org
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