The krb5_save_ccname_done function in providers/krb5/krb5_auth.c in System Security Services Daemon (SSSD) 1.5.x before 1.5.7, when automatic ticket renewal and offline authentication are configured, uses a pathname string as a password, which allows local users to bypass Kerberos authentication by listing the /tmp directory to obtain the pathname
Published May 26, 2011
3.7
LOWCVSS 2.0
EPSS 0.34%
Description
The krb5_save_ccname_done function in providers/krb5/krb5_auth.c in System Security Services Daemon (SSSD) 1.5.x before 1.5.7, when automatic ticket renewal and offline authentication are configured, uses a pathname string as a password, which allows local users to bypass Kerberos authentication by listing the /tmp directory to obtain the pathname.
Affected products
No data.
- 1.5.0
- 1.5.1
- 1.5.2
- 1.5.3
- 1.5.4
- 1.5.5
- 1.5.6
- 1.5.6.1
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:L/AC:H/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.34% (0.00338) | 24.80th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.34% (0.00338) | 25.38th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.05% (0.00048) | 11.92th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 5.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.28% (0.01282) | 68.34th | v2 (v2022.01.01) |
| Feb 22, 2023 | 1.28% (0.01282) | 68.05th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.28% (0.01282) | 65.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.28% (0.01282) | 41.72th | v2 (v2022.01.01) |
References (9)
- http://git.fedorahosted.org/git/?p=sssd.git%3Ba=commit%3Bh=fffdae81651b460f3d2c119c56d5caa09b4de42a x_refsource_CONFIRM
- http://lists.fedoraproject.org/pipermail/package-announce/2011-May/059532.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2011-May/059619.html vendor-advisoryx_refsource_FEDORA
- http://openwall.com/lists/oss-security/2011/04/29/4 mailing-listx_refsource_MLISTPatch
- https://bugzilla.redhat.com/show_bug.cgi?id=700867 x_refsource_CONFIRMPatch
- https://bugzilla.redhat.com/show_bug.cgi?id=700891 x_refsource_CONFIRM
- https://fedorahosted.org/pipermail/sssd-devel/2011-April/006138.html mailing-listx_refsource_MLISTPatch
- https://fedorahosted.org/sssd/ticket/856 x_refsource_CONFIRMPatch
- https://fedorahosted.org/sssd/wiki/Releases/Notes-1.5.7 x_refsource_CONFIRM
| Link | Providers | Tags |
|---|---|---|
| http://git.fedorahosted.org/git/?p=sssd.git%3Ba=commit%3Bh=fffdae81651b460f3d2c119c56d5caa09b4de42a | x_refsource_CONFIRM | |
| http://lists.fedoraproject.org/pipermail/package-announce/2011-May/059532.html | vendor-advisoryx_refsource_FEDORA | |
| http://lists.fedoraproject.org/pipermail/package-announce/2011-May/059619.html | vendor-advisoryx_refsource_FEDORA | |
| http://openwall.com/lists/oss-security/2011/04/29/4 | mailing-listx_refsource_MLISTPatch | |
| https://bugzilla.redhat.com/show_bug.cgi?id=700867 | x_refsource_CONFIRMPatch | |
| https://bugzilla.redhat.com/show_bug.cgi?id=700891 | x_refsource_CONFIRM | |
| https://fedorahosted.org/pipermail/sssd-devel/2011-April/006138.html | mailing-listx_refsource_MLISTPatch | |
| https://fedorahosted.org/sssd/ticket/856 | x_refsource_CONFIRMPatch | |
| https://fedorahosted.org/sssd/wiki/Releases/Notes-1.5.7 | x_refsource_CONFIRM |
Change history (0)
No recorded changes yet.