vulnwire
5.0med

CVE-2009-0845

The spnego_gss_accept_sec_context function in lib/gssapi/spnego/spnego_mech.c in MIT Kerberos 5 (aka krb5) 1.5 through 1.6.3, when SPNEGO i…

Published 17 y ago · modified 4 mo ago · JSON

CVSS
5.0
v2.0 · NVD
CISA KEV
No
not known exploited
EPSS
5.6%
percentile 93%
Public exploits
0
none known

The spnego_gss_accept_sec_context function in lib/gssapi/spnego/spnego_mech.c in MIT Kerberos 5 (aka krb5) 1.5 through 1.6.3, when SPNEGO is used, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via invalid ContextFlags data in the reqFlags field in a negTokenInit token.

Exploit prediction (EPSS)

5.63% probability of exploitation in the next 30 days, higher than 93% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD2.05.0AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-20 Improper Input Validation

References

  • support.novell.com /docs/Readmes/InfoDocument/patchbuilder/readme_5047181.html · x_refsource_MISC, x_transferred
  • securityfocus.com /archive/1/502526/100/0/threaded · mailing-list, x_refsource_BUGTRAQ, x_transferred
  • kb.cert.org /vuls/id/662091 · third-party-advisory, x_refsource_CERT-VN, x_transferred
  • securityfocus.com /bid/34257 · vdb-entry, x_refsource_BID, x_transferred
  • vupen.com /english/advisories/2009/0847 · vdb-entry, x_refsource_VUPEN, x_transferred
  • secunia.com /advisories/34347 · third-party-advisory, x_refsource_SECUNIA, x_transferred
  • support.apple.com /kb/HT3549 · x_refsource_CONFIRM, x_transferred
  • support.avaya.com /elmodocs2/security/ASA-2009-142.htm · x_refsource_CONFIRM, x_transferred
  • src.mit.edu /fisheye/browse/krb5/trunk/src/lib/gssapi/spnego/spnego_mech.c?r1=21875&r2=22084 · x_refsource_CONFIRM, x_transferred
  • redhat.com /support/errata/RHSA-2009-0408.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • secunia.com /advisories/34637 · third-party-advisory, x_refsource_SECUNIA, x_transferred
  • secunia.com /advisories/34640 · third-party-advisory, x_refsource_SECUNIA, x_transferred
  • secunia.com /advisories/35074 · third-party-advisory, x_refsource_SECUNIA, x_transferred
  • mandriva.com /security/advisories?name=MDVSA-2009:082 · vendor-advisory, x_refsource_MANDRIVA, x_transferred
  • sunsolve.sun.com /search/document.do?assetkey=1-26-256728-1 · vendor-advisory, x_refsource_SUNALERT, x_transferred
  • security.gentoo.org /glsa/glsa-200904-09.xml · vendor-advisory, x_refsource_GENTOO, x_transferred
  • support.novell.com /docs/Readmes/InfoDocument/patchbuilder/readme_5047180.html · x_refsource_MISC, x_transferred
  • vupen.com /english/advisories/2009/0976 · vdb-entry, x_refsource_VUPEN, x_transferred
  • lists.apple.com /archives/security-announce/2009/May/msg00002.html · vendor-advisory, x_refsource_APPLE, x_transferred
  • ubuntu.com /usn/usn-755-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • secunia.com /advisories/34630 · third-party-advisory, x_refsource_SECUNIA, x_transferred
  • www-01.ibm.com /support/docview.wss?uid=swg21396120 · x_refsource_CONFIRM, x_transferred
  • vupen.com /english/advisories/2009/1057 · vdb-entry, x_refsource_VUPEN, x_transferred
  • web.mit.edu /kerberos/advisories/MITKRB5-SA-2009-001.txt · x_refsource_CONFIRM, x_transferred
  • secunia.com /advisories/34617 · third-party-advisory, x_refsource_SECUNIA, x_transferred
  • secunia.com /advisories/34628 · third-party-advisory, x_refsource_SECUNIA, x_transferred
  • secunia.com /advisories/34734 · third-party-advisory, x_refsource_SECUNIA, x_transferred
  • exchange.xforce.ibmcloud.com /vulnerabilities/49448 · vdb-entry, x_refsource_XF, x_transferred
  • oval.cisecurity.org /repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6449 · vdb-entry, signature, x_refsource_OVAL, x_transferred
  • vupen.com /english/advisories/2009/2248 · vdb-entry, x_refsource_VUPEN, x_transferred
  • us-cert.gov /cas/techalerts/TA09-133A.html · third-party-advisory, x_refsource_CERT, x_transferred
  • wiki.rpath.com /wiki/Advisories:rPSA-2009-0058 · x_refsource_MISC, x_transferred
  • vupen.com /english/advisories/2009/1297 · vdb-entry, x_refsource_VUPEN, x_transferred
  • secunia.com /advisories/34622 · third-party-advisory, x_refsource_SECUNIA, x_transferred
  • krbdev.mit.edu /rt/Ticket/Display.html?user=guest&pass=guest&id=6402 · x_refsource_CONFIRM, x_transferred
  • redhat.com /archives/fedora-package-announce/2009-April/msg00206.html · vendor-advisory, x_refsource_FEDORA, x_transferred
  • securitytracker.com /id?1021867 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • redhat.com /archives/fedora-package-announce/2009-April/msg00205.html · vendor-advisory, x_refsource_FEDORA, x_transferred
  • wiki.rpath.com /Advisories:rPSA-2009-0058 · x_refsource_CONFIRM, x_transferred
  • oval.cisecurity.org /repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10044 · vdb-entry, signature, x_refsource_OVAL, x_transferred
  • secunia.com /advisories/34594
  • src.mit.edu /fisheye/changelog/krb5/?cs=22084 · Vendor Advisory
  • securityfocus.com /archive/1/502546/100/0/threaded
  • vupen.com /english/advisories/2009/1106

Sources

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