MEDIUM
mod_auth (http_auth.c) in lighttpd before 1.4.16 allows remote attackers to cause a denial of service (daemon crash) via unspecified vectors involving (1) a memory leak, (2) use of md5-sess without a cnonce, (3) base64 encoded strings, and (4) trailing whitespace in the Auth-Digest header
Published Jul 24, 2007
6.4
MEDIUMCVSS 2.0
EPSS 3.42%
Description
mod_auth (http_auth.c) in lighttpd before 1.4.16 allows remote attackers to cause a denial of service (daemon crash) via unspecified vectors involving (1) a memory leak, (2) use of md5-sess without a cnonce, (3) base64 encoded strings, and (4) trailing whitespace in the Auth-Digest header.
Affected products
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.
6.4 MEDIUM NVD
AV:N/AC:L/Au:N/C:P/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
3.42% 0.03422
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.03422
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 (18 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.42% (0.03422) | 88.51th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.42% (0.03422) | 87.32th | v5 (v2026.06.15) |
| Oct 1, 2025 | 4.45% (0.04447) | 88.64th | v4 (v2025.03.14) |
| Mar 30, 2025 | 3.05% (0.03054) | 85.48th | v4 (v2025.03.14) |
| Mar 29, 2025 | 4.28% (0.04281) | 81.05th | v4 (v2025.03.14) |
| Mar 17, 2025 | 3.05% (0.03054) | 85.78th | v4 (v2025.03.14) |
| Dec 17, 2024 | 7.99% (0.07989) | 94.27th | v3 (v2023.03.01) |
| Sep 18, 2024 | 14.89% (0.14895) | 95.89th | v3 (v2023.03.01) |
| Jul 4, 2024 | 12.34% (0.12336) | 95.46th | v3 (v2023.03.01) |
| May 27, 2024 | 13.09% (0.13086) | 95.52th | v3 (v2023.03.01) |
| Apr 19, 2024 | 10.94% (0.10943) | 95.04th | v3 (v2023.03.01) |
| Mar 12, 2024 | 11.49% (0.11489) | 95.08th | v3 (v2023.03.01) |
| Dec 25, 2023 | 11.13% (0.11133) | 94.63th | v3 (v2023.03.01) |
| Jul 29, 2023 | 11.40% (0.11400) | 94.45th | v3 (v2023.03.01) |
| Mar 7, 2023 | 10.64% (0.10644) | 94.09th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.78% (0.03779) | 85.48th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.78% (0.03779) | 84.01th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.78% (0.03779) | 67.21th | v2 (v2022.01.01) |
Weaknesses (0)
No CWE recorded.
References (18)
- http://osvdb.org/38314 vdb-entryx_refsource_OSVDB
- http://osvdb.org/38315 vdb-entryx_refsource_OSVDB
- http://osvdb.org/38316 vdb-entryx_refsource_OSVDB
- http://osvdb.org/38317 vdb-entryx_refsource_OSVDB
- http://secunia.com/advisories/26130 third-party-advisoryx_refsource_SECUNIAPatch
- http://secunia.com/advisories/26158 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/26505 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/26593 third-party-advisoryx_refsource_SECUNIA
- http://security.gentoo.org/glsa/glsa-200708-11.xml vendor-advisoryx_refsource_GENTOO
- http://trac.lighttpd.net/trac/browser/branches/lighttpd-1.4.x/NEWS?rev=1875 x_refsource_CONFIRM
- http://trac.lighttpd.net/trac/changeset/1875 x_refsource_MISC
- http://www.debian.org/security/2007/dsa-1362 vendor-advisoryx_refsource_DEBIAN
- http://www.novell.com/linux/security/advisories/2007_15_sr.html vendor-advisoryx_refsource_SUSE
- http://www.securityfocus.com/archive/1/474131/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/24967 vdb-entryx_refsource_BID
- http://www.vupen.com/english/advisories/2007/2585 vdb-entryx_refsource_VUPEN
- https://issues.rpath.com/browse/RPL-1550 x_refsource_CONFIRM
- https://issues.rpath.com/browse/RPL-1554 x_refsource_CONFIRM
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Jul 24, 2007
Updated Aug 7, 2024
Reserved Jul 23, 2007
Link CVE-2007-3946
CISA Vulnrichment
Updated n/a