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CVE-2012-3404

Date: February 10, 2014

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.

Language: C

Severity Score

Related Resources (10)

http://www.openwall.com/lists/oss-security/2012/07/11/17
http://rhn.redhat.com/errata/RHSA-2012-1200.html
http://rhn.redhat.com/errata/RHSA-2012-1098.html
https://security.gentoo.org/glsa/201503-04
http://www.ubuntu.com/usn/USN-1589-1
https://nvd.nist.gov/vuln/detail/CVE-2012-3404
https://sourceware.org/bugzilla/show_bug.cgi?id=12445
https://bugzilla.redhat.com/show_bug.cgi?id=833703
https://access.redhat.com/security/cve/CVE-2012-3404
https://www.mend.io/vulnerability-database/CVE-2012-3404

Severity Score

Weakness Type (CWE)

Numeric Errors

CWE-189

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): LOW

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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