Description
The vfprintf function in stdio-common/vfprintf.c in libc in GNU C Library (aka glibc) 2.14 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 (segmentation fault and crash) via a format string with a large number of format specifiers that triggers "desynchronization within the buffer size handling," a different vulnerability than CVE-2012-3404.
Published: 2014-02-10
Score: 5.0 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-165-1 eglibc security update
Debian DSA Debian DSA DSA-3169-1 eglibc security update
EUVD EUVD EUVD-2012-3376 The vfprintf function in stdio-common/vfprintf.c in libc in GNU C Library (aka glibc) 2.14 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 (segmentation fault and crash) via a format string with a large number of format specifiers that triggers "desynchronization within the buffer size handling," a different vulnerability than CVE-2012-3404.
Ubuntu USN Ubuntu USN USN-1589-1 GNU C Library vulnerabilities
History

No history.

Subscriptions

Canonical Ubuntu Linux
Gnu Glibc
Redhat Enterprise Linux Enterprise Virtualization
cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-06T20:05:12.277Z

Reserved: 2012-06-14T00:00:00.000Z

Link: CVE-2012-3405

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2014-02-10T18:15:10.073

Modified: 2026-04-29T01:13:23.040

Link: CVE-2012-3405

cve-icon Redhat

Severity : Moderate

Publid Date: 2012-07-11T00:00:00Z

Links: CVE-2012-3405 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses