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Debian Security Advisory DSA-4216-1                   security@debian.org
https://www.debian.org/security/                     Salvatore Bonaccorso
June 02, 2018                         https://www.debian.org/security/faq
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Package        : prosody
CVE ID         : CVE-2018-10847
Debian Bug     : 900524

It was discovered that Prosody, a lightweight Jabber/XMPP server, does
not properly validate client-provided parameters during XMPP stream
restarts, allowing authenticated users to override the realm associated
with their session, potentially bypassing security policies and allowing
impersonation.

Details can be found in the upstream advisory at
https://prosody.im/security/advisory_20180531/

For the oldstable distribution (jessie), this problem has been fixed
in version 0.9.7-2+deb8u4.

For the stable distribution (stretch), this problem has been fixed in
version 0.9.12-2+deb9u2.

We recommend that you upgrade your prosody packages.

For the detailed security status of prosody please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/prosody

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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