CVE-2011-0539 (GCVE-0-2011-0539)

Vulnerability from cvelistv5 – Published: 2011-02-10 17:00 – Updated: 2024-08-06 21:58
VLAI
Summary
The key_certify function in usr.bin/ssh/key.c in OpenSSH 5.6 and 5.7, when generating legacy certificates using the -t command-line option in ssh-keygen, does not initialize the nonce field, which might allow remote attackers to obtain sensitive stack memory contents or make it easier to conduct hash collision attacks.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
URL Tags
http://www.openwall.com/lists/oss-security/2011/02/04/2 mailing-listx_refsource_MLIST
http://www.securitytracker.com/id?1025028 vdb-entryx_refsource_SECTRACK
http://www.securityfocus.com/bid/46155 vdb-entryx_refsource_BID
http://kb.juniper.net/InfoCenter/index?page=conte… x_refsource_CONFIRM
http://www.vupen.com/english/advisories/2011/0284 vdb-entryx_refsource_VUPEN
http://secunia.com/advisories/43181 third-party-advisoryx_refsource_SECUNIA
http://h20000.www2.hp.com/bizsupport/TechSupport/… vendor-advisoryx_refsource_HP
http://h20000.www2.hp.com/bizsupport/TechSupport/… vendor-advisoryx_refsource_HP
http://secunia.com/advisories/44269 third-party-advisoryx_refsource_SECUNIA
http://www.openssh.com/txt/legacy-cert.adv x_refsource_CONFIRM
https://exchange.xforce.ibmcloud.com/vulnerabilit… vdb-entryx_refsource_XF
Date Public
2011-02-04 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

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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.