Vulnerability identifier: #VU45409
Vulnerability risk: Low
CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID:
CWE-ID:
CWE-399
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
SSSD
Web applications /
Remote management & hosting panels
Vendor: SSSD
Description
The vulnerability allows a remote non-authenticated attacker to perform service disruption.
The pam_parse_in_data_v2 function in src/responder/pam/pamsrv_cmd.c in the PAM responder in SSSD 1.5.0, 1.4.x, and 1.3 allows local users to cause a denial of service (infinite loop, crash, and login prevention) via a crafted packet.
Mitigation
Install update from vendor's website.
Vulnerable software versions
SSSD: 1.3.0 - 1.5.0
External links
https://lists.fedoraproject.org/pipermail/package-announce/2011-January/053319.html
https://lists.fedoraproject.org/pipermail/package-announce/2011-January/053337.html
https://lists.opensuse.org/opensuse-security-announce/2011-01/msg00006.html
https://secunia.com/advisories/43053
https://secunia.com/advisories/43055
https://secunia.com/advisories/43068
https://www.redhat.com/support/errata/RHSA-2011-0560.html
https://www.redhat.com/support/errata/RHSA-2011-0975.html
https://www.securityfocus.com/bid/45961
https://www.vupen.com/english/advisories/2011/0197
https://www.vupen.com/english/advisories/2011/0212
https://bugzilla.redhat.com/show_bug.cgi?id=661163
https://exchange.xforce.ibmcloud.com/vulnerabilities/64881
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.