CVE-2017-7562
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.5epss 3.3%
exploitation probability
3.3%top 13% of all CVEs
observed exploitation
nono source reports it
An authentication bypass flaw was found in the way krb5's certauth interface before 1.16.1 handled the validation of client certificates. A remote attacker able to communicate with the KDC could potentially use this flaw to impersonate arbitrary principals under rare and erroneous circumstances.
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Affected products
MIT · krb5References
https://access.redhat.com/errata/RHSA-2018:0666https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7562https://github.com/krb5/krb5/pull/694https://github.com/krb5/krb5/pull/694/commits/1de6ca2f2eb1fdbab51f1549a25a6903aefcc196https://github.com/krb5/krb5/pull/694/commits/50fe4074f188c2d4da0c421e96553acea8378db2https://github.com/krb5/krb5/pull/694/commits/b7af544e50a4d8291524f590e20dd44430bf627dhttp://www.securityfocus.com/bid/100511