cups: DoS (infinite loop) via HTTP_UNAUTHORIZED responses STR #3518
Published Jun 22, 2010
5.0
MEDIUMCVSS 2.0
EPSS 2.10%
Description
The cupsDoAuthentication function in auth.c in the client in CUPS before 1.4.4, when HAVE_GSSAPI is omitted, does not properly handle a demand for authorization, which allows remote CUPS servers to cause a denial of service (infinite loop) via HTTP_UNAUTHORIZED responses.
Affected products
No data.
- ≤ 1.4.3
- 1.1
- 1.1.1
- 1.1.2
- 1.1.3
- 1.1.4
- 1.1.5
- 1.1.5-1
- 1.1.5-2
- 1.1.6
- 1.1.6-1
- 1.1.6-2
- 1.1.6-3
- 1.1.7
- 1.1.8
- 1.1.9
- 1.1.9-1
- 1.1.10
- 1.1.10-1
- 1.1.11
- 1.1.12
- 1.1.13
- 1.1.14
- 1.1.15
- 1.1.16
- 1.1.17
- 1.1.18
- 1.1.19
- 1.1.19
- 1.1.19
- 1.1.19
- 1.1.19
- 1.1.19
- 1.1.20
- 1.1.20
- 1.1.20
- 1.1.20
- 1.1.20
- 1.1.20
- 1.1.20
- 1.1.21
- 1.1.21
- 1.1.21
- 1.1.22
- 1.1.22
- 1.1.22
- 1.1.23
- 1.1.23
- 1.2
- 1.2
- 1.2
- 1.2
- 1.2
- 1.2.0
- 1.2.1
- 1.2.2
- 1.2.3
- 1.2.4
- 1.2.5
- 1.2.6
- 1.2.7
- 1.2.8
- 1.2.9
- 1.2.10
- 1.2.11
- 1.2.12
- 1.3
- 1.3
- 1.3
- 1.3.0
- 1.3.1
- 1.3.2
- 1.3.3
- 1.3.4
- 1.3.5
- 1.3.6
- 1.3.7
- 1.3.8
- 1.3.9
- 1.3.10
- 1.3.11
- 1.4.0
- 1.4.1
- 1.4.2
No data.
Red Hat Enterprise Linux 4
cups
Affected
Red Hat Enterprise Linux 5
cups
Affected
Red Hat Enterprise Linux 6
cups
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 4 | cups | Affected | n/a |
| Red Hat Enterprise Linux 5 | cups | Affected | n/a |
| Red Hat Enterprise Linux 6 | cups | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Not vulnerable. This issue did not affect the versions of CUPS as shipped with Red Hat Enterprise Linux 3, 4, or 5.
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:N/AC:L/Au:N/C:N/I:N/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 (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.10% (0.02098) | 80.99th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.10% (0.02098) | 79.19th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.83% (0.00829) | 72.34th | v4 (v2025.03.14) |
| Mar 29, 2025 | 1.96% (0.01962) | 72.61th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.84% (0.00838) | 73.06th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.59% (0.00592) | 79.05th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.59% (0.00592) | 77.64th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.59% (0.00592) | 74.99th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.11% (0.01108) | 55.18th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.11% (0.01108) | 53.57th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.11% (0.01108) | 51.54th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.11% (0.01108) | 29.61th | v2 (v2022.01.01) |
References (11)
- http://cups.org/articles.php?L596 x_refsource_CONFIRMPatchVendor Advisory
- http://cups.org/str.php?L3518 x_refsource_CONFIRM
- http://secunia.com/advisories/43521 third-party-advisoryx_refsource_SECUNIA
- http://security.gentoo.org/glsa/glsa-201207-10.xml vendor-advisoryx_refsource_GENTOO
- http://www.debian.org/security/2011/dsa-2176 vendor-advisoryx_refsource_DEBIAN
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:146 vendor-advisoryx_refsource_MANDRIVA
- http://www.vupen.com/english/advisories/2011/0535 vdb-entryx_refsource_VUPEN
- https://access.redhat.com/security/cve/CVE-2010-2432 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=607211 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2010-2432
- https://www.cve.org/CVERecord?id=CVE-2010-2432
| Link | Providers | Tags |
|---|---|---|
| http://cups.org/articles.php?L596 | x_refsource_CONFIRMPatchVendor Advisory | |
| http://cups.org/str.php?L3518 | x_refsource_CONFIRM | |
| http://secunia.com/advisories/43521 | third-party-advisoryx_refsource_SECUNIA | |
| http://security.gentoo.org/glsa/glsa-201207-10.xml | vendor-advisoryx_refsource_GENTOO | |
| http://www.debian.org/security/2011/dsa-2176 | vendor-advisoryx_refsource_DEBIAN | |
| http://www.mandriva.com/security/advisories?name=MDVSA-2011:146 | vendor-advisoryx_refsource_MANDRIVA | |
| http://www.vupen.com/english/advisories/2011/0535 | vdb-entryx_refsource_VUPEN | |
| https://access.redhat.com/security/cve/CVE-2010-2432 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=607211 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2010-2432 | ||
| https://www.cve.org/CVERecord?id=CVE-2010-2432 |
Change history (0)
No recorded changes yet.