Vulnerability in Lighttpd
CVE-2013-4559
lighttpd before 1.4.33 does not check the return value of the (1) setuid, (2) setgid, or (3) setgroups functions, which might cause lighttpd to run as root if it is restarted and allows remote attackers to gain privileges, as demonstrated by multiple calls to the clone function that cause setuid to fail when the user process limit is reached.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 7.6 (High). Vector: AV:N/AC:H/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.107 (95.7th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 95.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.107 · newest: 0.107 · change: 0.000
Affected products
- Lighttpd
- Debian Linux — versions 6.0, 7.0, 8.0
- openSUSE — versions 12.2, 12.3, 13.1
Weakness classification (CWE)
References
- secunia.com/advisories/55682 (Third Party Advisory, third-party-advisory)
- marc.info/ (vendor-advisory, Third Party Advisory, Issue Tracking)
- download.lighttpd.net/lighttpd/security/lighttpd_sa_2013_02.txt (Vendor Advisory)
- lists.opensuse.org/opensuse-updates/2014-01/msg00049.html (vendor-advisory, Mailing List, Third Party Advisory)
- www.debian.org/security/2013/dsa-2795 (vendor-advisory, Third Party Advisory)
- www.openwall.com/lists/oss-security/2013/11/12/4 (mailing-list, Mailing List, Third Party Advisory)
- kc.mcafee.com/corporate/index (Third Party Advisory)
- jvn.jp/en/jp/JVN37417423/index.html (Third Party Advisory, third-party-advisory)