CVE-2013-1864
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…
Does this matter?
Lower severity and a low EPSS score (2.85%). Track it; it rarely justifies an emergency change on its own.
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."
- CVSS 2.0
- 4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:N/A:P
- EPSS
- 2.85% probability · 86th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- opalvoip/portable tool library · ekiga/ekiga · suse/suse linux enterprise software development kit · suse/suse linux enterprise desktop
- Source
- secalert@redhat.com
References
- http://lists.fedoraproject.org/pipermail/package-announce/2013-March/099553.html
- http://osvdb.org/91439
- http://seclists.org/oss-sec/2013/q1/674
- http://secunia.com/advisories/52659
- http://sourceforge.net/p/opalvoip/code/28856Exploit, Patch
- http://www.ekiga.org/news/2013-02-21/ekiga-4.0.1-stable-availablePatch, Vendor Advisory
- http://www.securityfocus.com/bid/58520
- https://exchange.xforce.ibmcloud.com/vulnerabilities/82885
- https://www.suse.com/support/update/announcement/2014/suse-su-20140237-1.html
- http://lists.fedoraproject.org/pipermail/package-announce/2013-March/099553.html
- http://osvdb.org/91439
- http://seclists.org/oss-sec/2013/q1/674
- http://secunia.com/advisories/52659
- http://sourceforge.net/p/opalvoip/code/28856Exploit, Patch
- http://www.ekiga.org/news/2013-02-21/ekiga-4.0.1-stable-availablePatch, Vendor Advisory
- http://www.securityfocus.com/bid/58520
- https://exchange.xforce.ibmcloud.com/vulnerabilities/82885
- https://www.suse.com/support/update/announcement/2014/suse-su-20140237-1.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.