Critical severity · published Sep 13, 2017
CVE-2017-11462
Double free vulnerability in MIT Kerberos 5 (aka krb5) allows attackers to have unspecified impact via vectors involving automatic deletion of security contexts on error
9.8
CVSS
5.5%
EPSS
No
On KEV
Description
Double free vulnerability in MIT Kerberos 5 (aka krb5) allows attackers to have unspecified impact via vectors involving automatic deletion of security contexts on error.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)5.5% · higher than 93% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FE
Fedora · Fedoraproject
25; 26 · source: NVD
K5
Kerberos 5 · Mit
1.14; 1.14; 1.14; 1.14; 1.14.1; 1.14.2; +7 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-11462
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-11462
Vendor Advisory
http://krbdev.mit.edu/rt/Ticket/Display.html?id=8598
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1488873
Patch
https://github.com/krb5/krb5/commit/56f7b1bc95a2a3eeb420e069e7655fb181ade5cf
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2FPRUP4YVOEBGEROUYWZFEQ64HTMGNED/
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