Buffer overflow in Ekiga
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 document containing a large number of nested entity references, aka a "billion laughs attack."
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.3 (Medium). Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.029 (86.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 86.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.029 · newest: 0.029 · change: 0.000
Affected products
- Ekiga
- Opalvoip Portable Tool Library — versions 2.10.1, 2.10.2, 2.10.7
- SUSE Linux Enterprise Desktop — versions 11.0
- SUSE Linux Enterprise Software Development Kit — versions 11.0
Weakness classification (CWE)
References
- secunia.com/advisories/52659 (third-party-advisory)
- www.suse.com/support/update/announcement/2014/suse-su-20140237-1.html (vendor-advisory)
- exchange.xforce.ibmcloud.com/vulnerabilities/82885 (vdb-entry)
- www.ekiga.org/news/2013-02-21/ekiga-4.0.1-stable-available (Patch, Vendor Advisory)
- lists.fedoraproject.org/pipermail/package-announce/2013-March/099553.html (vendor-advisory)
- osvdb.org/91439 (vdb-entry)
- seclists.org/oss-sec/2013/q1/674 (mailing-list)
- sourceforge.net/p/opalvoip/code/28856 (Exploit, Patch)
- www.securityfocus.com/bid/58520 (vdb-entry)