CVE-2013-4788 describes a vulnerability in the PTR_MANGLE implementation of GNU C Library (glibc) and Embedded GLIBC (EGLIBC) versions 2.4, 2.17, and earlier. The flaw stems from the pointer guard not being initialized with a random value, making it a known zero. This vulnerability has a CVSS score of 5.1, indicating a medium severity, and allows remote attackers to potentially control execution flow by exploiting a buffer overflow in an application, leveraging the predictable pointer guard to calculate addresses. While not currently on CISA's KEV catalog or actively exploited in the wild, an exploit for local buffer overflows exists on ExploitDB. Community discussion and media coverage for this CVE are minimal.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 2.17CPE matchmatch criteria | cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:* | ||
2.0CPE matchmatch criteria | cpe:2.3:a:gnu:glibc:2.0:*:*:*:*:*:*:* | ||
2.0.1CPE matchmatch criteria | cpe:2.3:a:gnu:glibc:2.0.1:*:*:*:*:*:*:* | ||
2.0.2CPE matchmatch criteria | cpe:2.3:a:gnu:glibc:2.0.2:*:*:*:*:*:*:* | ||
2.0.3CPE matchmatch criteria | cpe:2.3:a:gnu:glibc:2.0.3:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:H/Au:N/C:P/I:P/A:P
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.