CVE-2015-3238
5.8 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:N/A:P
6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
LOW
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
6.1 Medium
AI Score
Confidence
High
0.006 Low
EPSS
Percentile
78.9%
The _unix_run_helper_binary function in the pam_unix module in Linux-PAM (aka pam) before 1.2.1, when unable to directly access passwords, allows local users to enumerate usernames or cause a denial of service (hang) via a large password.
Affected configurations
References
lists.fedoraproject.org/pipermail/package-announce/2015-July/161350.html
lists.fedoraproject.org/pipermail/package-announce/2015-June/161249.html
rhn.redhat.com/errata/RHSA-2015-1640.html
www.openwall.com/lists/oss-security/2015/06/25/13
www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html
www.securityfocus.com/bid/75428
www.ubuntu.com/usn/USN-2935-1
www.ubuntu.com/usn/USN-2935-2
www.ubuntu.com/usn/USN-2935-3
bugzilla.redhat.com/show_bug.cgi?id=1228571
security.gentoo.org/glsa/201605-05
www.trustwave.com/Resources/Security-Advisories/Advisories/TWSL2015-011/?fid=6551
www.trustwave.com/Resources/SpiderLabs-Blog/Username-Enumeration-against-OpenSSH-SELinux-with-CVE-2015-3238/
Related
5.8 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:N/A:P
6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
LOW
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
6.1 Medium
AI Score
Confidence
High
0.006 Low
EPSS
Percentile
78.9%