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CVE-2012-3406 (GCVE-0-2012-3406)

Vulnerability from cvelistv5 – Published: 2014-02-10 17:00 – Updated: 2024-08-06 20:05
VLAI
Summary
The vfprintf function in stdio-common/vfprintf.c in GNU C Library (aka glibc) 2.5, 2.12, and probably other versions does not "properly restrict the use of" the alloca function when allocating the SPECS array, which allows context-dependent attackers to bypass the FORTIFY_SOURCE format-string protection mechanism and cause a denial of service (crash) or possibly execute arbitrary code via a crafted format string using positional parameters and a large number of format specifiers, a different vulnerability than CVE-2012-3404 and CVE-2012-3405.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
URL Tags
http://rhn.redhat.com/errata/RHSA-2012-1200.html vendor-advisoryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=826943 x_refsource_CONFIRM
http://rhn.redhat.com/errata/RHSA-2012-1097.html vendor-advisoryx_refsource_REDHAT
https://security.gentoo.org/glsa/201503-04 vendor-advisoryx_refsource_GENTOO
http://rhn.redhat.com/errata/RHSA-2012-1098.html vendor-advisoryx_refsource_REDHAT
http://www.ubuntu.com/usn/USN-1589-1 vendor-advisoryx_refsource_UBUNTU
http://rhn.redhat.com/errata/RHSA-2012-1185.html vendor-advisoryx_refsource_REDHAT
http://www.openwall.com/lists/oss-security/2012/0… mailing-listx_refsource_MLIST
https://bugzilla.redhat.com/attachment.cgi?id=594722 x_refsource_CONFIRM
Date Public
2012-05-31 00:00
Show details on NVD website
To clipboard 

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      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2012-3406",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2012-3406.json",
      "version": "22"
    }
  }
}



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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.