The Portable Tool Library (aka PTLib) before 2.10.10, as used...
Vulnerability 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."
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://secunia.com/advisories/52659
- https://www.suse.com/support/update/announcement/2014/suse-su-20140237-1.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/82885
- http://www.ekiga.org/news/2013-02-21/ekiga-4.0.1-stable-available
- http://lists.fedoraproject.org/pipermail/package-announce/2013-March/099553.html
- http://osvdb.org/91439
- http://seclists.org/oss-sec/2013/q1/674
- http://sourceforge.net/p/opalvoip/code/28856
- http://www.securityfocus.com/bid/58520
Affected Vendor
opalvoip
View all reports →Affected Software
Timeline
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.