CVE-2013-4548 (GCVE-0-2013-4548)

Vulnerability from cvelistv5 – Published: 2013-11-08 15:00 – Updated: 2024-08-06 16:45
VLAI
Summary
The mm_newkeys_from_blob function in monitor_wrap.c in sshd in OpenSSH 6.2 and 6.3, when an AES-GCM cipher is used, does not properly initialize memory for a MAC context data structure, which allows remote authenticated users to bypass intended ForceCommand and login-shell restrictions via packet data that provides a crafted callback address.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
URL Tags
http://www.openssh.com/txt/gcmrekey.adv x_refsource_CONFIRM
http://openwall.com/lists/oss-security/2013/11/08/3 mailing-listx_refsource_MLIST
http://marc.info/?l=bugtraq&m=141576985122836&w=2 vendor-advisoryx_refsource_HP
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://www.ubuntu.com/usn/USN-2014-1 vendor-advisoryx_refsource_UBUNTU
Date Public
2013-11-06 00:00
Show details on NVD website
To clipboard 

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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.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.