CVE-2013-6890

EUVD-2013-6692
denyhosts 2.6 uses an incorrect regular expression when analyzing authentication logs, which allows remote attackers to cause a denial of service (incorrect block of IP addresses) via crafted login names.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5 UNKNOWN
NETWORK
LOW
AV:N/AC:L/Au:N/C:N/I:N/A:P
Base Score
CVSS 3.x
EPSS Score
Percentile: 93%
Affected Products (NVD)
VendorProductVersion
debiandebian_linux
6.0
debiandebian_linux
7.0
debiandebian_linux
7.1
fedoraprojectfedora
*
phil_schwartzdenyhosts
2.6
𝑥
= Vulnerable software versions
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
denyhosts
lucid
ignored
precise
Fixed 2.6-10+deb7u3build0.12.04.1
released
trusty
dne
utopic
dne
vivid
dne
Common Weakness Enumeration
References
http://seclists.org/oss-sec/2013/q4/535
http://secunia.com/advisories/56239
http://www.debian.org/security/2013/dsa-2826
https://bugzilla.redhat.com/show_bug.cgi?id=1045982
http://seclists.org/oss-sec/2013/q4/535
http://secunia.com/advisories/56239
http://www.debian.org/security/2013/dsa-2826
https://bugzilla.redhat.com/show_bug.cgi?id=1045982