CVEvulnerability

CVE-2013-4788

5.1 MEDIUM Published 2013-10-04 Modified 2026-06-16 Official page ↗
Status
Modified
Published
2013-10-04
Last modified
2026-06-16
Assigner
[email protected]
CVSS 2.0 ([email protected])
5.1 MEDIUM — AV:N/AC:H/Au:N/C:P/I:P/A:P
Weaknesses
CWE-20

Description

The PTR_MANGLE implementation in the GNU C Library (aka glibc or libc6) 2.4, 2.17, and earlier, and Embedded GLIBC (EGLIBC) does not initialize the random value for the pointer guard, which makes it easier for context-dependent attackers to control execution flow by leveraging a buffer-overflow vulnerability in an application and using the known zero value pointer guard to calculate a pointer address.

Affected configurations

• gnu glibc (<= 2.17) • gnu glibc 2.0 • gnu glibc 2.0.1 • gnu glibc 2.0.2 • gnu glibc 2.0.3 • gnu glibc 2.0.4 • gnu glibc 2.0.5 • gnu glibc 2.0.6 • gnu glibc 2.1 • gnu glibc 2.1.1 • gnu glibc 2.1.1.6 • gnu glibc 2.1.2 • gnu glibc 2.1.3 • gnu glibc 2.1.9 • gnu glibc 2.4 • gnu glibc 2.10.1 • gnu glibc 2.11 • gnu glibc 2.11.1 • gnu glibc 2.11.2 • gnu glibc 2.11.3 • gnu glibc 2.12.1 • gnu glibc 2.12.2 • gnu glibc 2.13 • gnu glibc 2.14 • gnu glibc 2.14.1 • gnu glibc 2.15 • gnu glibc 2.16 • gnu eglibc

Related

Weakness · CWE (1)

  • CWE-20 Improper Input Validation weakness

References