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Debian Security Advisory DSA-3192-1 security@debian.org
http://www.debian.org/security/ Salvatore Bonaccorso
March 17, 2015 http://www.debian.org/security/faq
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Package : checkpw
CVE ID : CVE-2015-0885
Debian Bug : 780139

Hiroya Ito of GMO Pepabo, Inc. reported that checkpw, a password
authentication program, has a flaw in processing account names which
contain double dashes. A remote attacker can use this flaw to cause a
denial of service (infinite loop).

For the stable distribution (wheezy), this problem has been fixed in
version 1.02-1+deb7u1.

For the upcoming stable distribution (jessie), this problem has been
fixed in version 1.02-1.1.

For the unstable distribution (sid), this problem has been fixed in
version 1.02-1.1.

We recommend that you upgrade your checkpw 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/