CVE-2012-3404
Last modified
CVE-2012-3404 is a vulnerability of currently unknown severity. The vfprintf function in stdio-common/vfprintf.c in libc in GNU C Library (aka glibc) 2.12 and other versions does not properly calculate a buffer length, which allows context-dependent attackers to bypass the FORTIFY_SOURCE format-string protection mechanism and cause a denial of service (stack corruption and crash) via a format string that uses positional parameters and many format specifiers.. EPSS estimates a 2.23% chance of exploitation in the next 30 days.
Description
The vfprintf function in stdio-common/vfprintf.c in libc in GNU C Library (aka glibc) 2.12 and other versions does not properly calculate a buffer length, which allows context-dependent attackers to bypass the FORTIFY_SOURCE format-string protection mechanism and cause a denial of service (stack corruption and crash) via a format string that uses positional parameters and many format specifiers.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Gnu | Glibc | 2.12 |
| Redhat | Enterprise Virtualization | 3.0 |
| Canonical | Ubuntu Linux | 8.04 |
| Canonical | Ubuntu Linux | 10.04 |
| Canonical | Ubuntu Linux | 11.04 |
| Canonical | Ubuntu Linux | 11.10 |
| Canonical | Ubuntu Linux | 12.04 |
| Redhat | Enterprise Linux | 6.0 |
References
- https://sourceware.org/bugzilla/show_bug.cgi?id=12445Exploit, Patch
- https://sourceware.org/bugzilla/show_bug.cgi?id=12445Exploit, Patch
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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