4.3

CVE-2013-1864

Exploit

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."

Data is provided by the National Vulnerability Database (NVD)
Opalvoip ≫ Portable Tool Library Version2.10.1
Opalvoip ≫ Portable Tool Library Version2.10.2
Opalvoip ≫ Portable Tool Library Version2.10.7
Opalvoip ≫ Portable Tool Library Version2.10.9
Ekiga ≫ Ekiga Version <= 4.0.0
Suse ≫ Suse Linux Enterprise Desktop Version11.0 Updatesp3
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 2.73% 0.854
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 4.3 8.6 2.9
AV:N/AC:M/Au:N/C:N/I:N/A:P
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.