Vulnerability CVE-2013-1864
Published: 2014-05-23

Description:
The Portable Tool Library (aka PTLib) before 2.10.10, as used in Ekiga before 4.0.1, does not properly detect recursion during entity expansion, which allows remote attackers to cause a denial of service (memory and CPU consumption) via a crafted PXML document containing a large number of nested entity references, aka a "billion laughs attack."

Type:

CWE-119

 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
SUSE -> Suse linux enterprise desktop 
SUSE -> Suse linux enterprise software development kit 
Opalvoip -> Portable tool library 
Novell -> Suse linux software development kit 
Novell -> Suse linux enterprise desktop 
Ekiga -> Ekiga 

 References:
http://www.ekiga.org/news/2013-02-21/ekiga-4.0.1-stable-available
http://sourceforge.net/p/opalvoip/code/28856
https://www.suse.com/support/update/announcement/2014/suse-su-20140237-1.html
http://xforce.iss.net/xforce/xfdb/82885
http://www.securityfocus.com/bid/58520
http://secunia.com/advisories/52659
http://seclists.org/oss-sec/2013/q1/674
http://osvdb.org/91439
http://lists.fedoraproject.org/pipermail/package-announce/2013-March/099553.html
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