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CVE-2006-5170

pam_ldap in nss_ldap on Red Hat Enterprise Linux 4, Fedora Core 3 and earlier, and possibly other...

7.5 HighFix available

pam_ldap in nss_ldap on Red Hat Enterprise Linux 4, Fedora Core 3 and earlier, and possibly other distributions does not return an error condition when an LDAP directory server responds with a PasswordPolicyResponse control response, which causes the pam_authenticate function to return a success code even if authentication has failed, as originally reported for xscreensaver.

Exploit likelihood

4.15%Up 1.5 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 7.5

pam_ldap in nss_ldap on Red Hat Enterprise Linux 4, Fedora Core 3 and earlier, and possibly other distributions does not return an error condition when an LDAP directory server responds with a PasswordPolicyResponse control response, which causes the pam_authenticate function to return a success code even if authentication has failed, as originally reported for xscreensaver.

Record
CVE-2006-5170
CVSS 2.0
7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness
CWE-755
Updated
2026-11-02
CVE List No score

pam_ldap in nss_ldap on Red Hat Enterprise Linux 4, Fedora Core 3 and earlier, and possibly other distributions does not return an error condition when an LDAP directory server responds with a PasswordPolicyResponse control response, which causes the pam_authenticate function to return a success code even if authentication has failed, as originally reported for xscreensaver.

Record
CVE-2006-5170
Updated
2026-11-02
EUVDEUVD-2006-5155 No score

pam_ldap in nss_ldap on Red Hat Enterprise Linux 4, Fedora Core 3 and earlier, and possibly other distributions does not return an error condition when an LDAP directory server responds with a PasswordPolicyResponse control response, which causes the pam_authenticate function to return a success code even if authentication has failed, as originally reported for xscreensaver.

Record
EUVD-2006-5155
Updated
2026-11-03
GitHub AdvisoriesGHSA-3mcc-2cg8-vvjx No score

pam_ldap in nss_ldap on Red Hat Enterprise Linux 4, Fedora Core 3 and earlier, and possibly other...

pam_ldap in nss_ldap on Red Hat Enterprise Linux 4, Fedora Core 3 and earlier, and possibly other distributions does not return an error condition when an LDAP directory server responds with a PasswordPolicyResponse control response, which causes the pam_authenticate function to return a success code even if authentication has failed, as originally reported for xscreensaver.

Record
GHSA-3mcc-2cg8-vvjx
Weakness
CWE-755
Updated
2026-11-02
OSV No score

pam_ldap in nss_ldap on Red Hat Enterprise Linux 4, Fedora Core 3 and earlier, and possibly other distributions does not return an error condition when an LDAP directory server responds with a PasswordPolicyResponse control response, which causes the pam_authenticate function to return a success code even if authentication has failed, as originally reported for xscreensaver.

Record
CVE-2006-5170
Updated
2026-11-02
OSVDEBIAN-CVE-2006-5170 No score

pam_ldap in nss_ldap on Red Hat Enterprise Linux 4, Fedora Core 3 and earlier, and possibly other distributions does not return an error condition when an LDAP directory server responds with a PasswordPolicyResponse control response, which causes the pam_authenticate function to return a success code even if authentication has failed, as originally reported for xscreensaver.

Record
DEBIAN-CVE-2006-5170
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
libpam-ldap
Debian:11
before 180-1.2
180-1.2
libpam-ldap
Debian:3.1
before 178-1sarge3, plus listed versions
178-1178-1sarge1
178-1sarge3
nss_ldap
Red Hat:enterprise_linux:4::as
before 0:226-17
0:226-17
nss_ldap-debuginfo
Red Hat:enterprise_linux:4::as
before 0:226-17
0:226-17
nss_ldap
Red Hat:enterprise_linux:4::desktop
before 0:226-17
0:226-17
nss_ldap-debuginfo
Red Hat:enterprise_linux:4::desktop
before 0:226-17
0:226-17
nss_ldap
Red Hat:enterprise_linux:4::es
before 0:226-17
0:226-17
nss_ldap-debuginfo
Red Hat:enterprise_linux:4::es
before 0:226-17
0:226-17
nss_ldap
Red Hat:enterprise_linux:4::ws
before 0:226-17
0:226-17
nss_ldap-debuginfo
Red Hat:enterprise_linux:4::ws
before 0:226-17
0:226-17

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2006-5170 is a high vulnerability (CVSS 7.5) in Debian Linux, published October 4, 2006. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.15%, the 90th percentile. Fixed in libpam-ldap 180-1.2.

References

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