CVE-2013-1864
The MITRE CVE dictionary describes this issue as:
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."
Find out more about CVE-2013-1864 from the MITRE CVE dictionary dictionary and NIST NVD.
Statement
This issue affects the version of pwlib as shipped with Red Hat Enterprise Linux 5. This issue affects the version of ptlib as shipped with Red Hat Enterprise Linux 6. The Red Hat Security Response Team has rated this issue as having low security impact, a future update may address this flaw.
CVSS v2 metrics
NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.
| Base Score | 4.3 |
|---|---|
| Base Metrics | AV:N/AC:M/Au:N/C:N/I:N/A:P |
| Access Vector | Network |
| Access Complexity | Medium |
| Authentication | None |
| Confidentiality Impact | None |
| Integrity Impact | None |
| Availability Impact | Partial |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
Affected Packages State
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise Linux 6 | ptlib | Fix deferred |
| Red Hat Enterprise Linux 5 | pwlib | Fix deferred |
CVE description copyright © 2017, The MITRE Corporation