CVE-2013-4559
High
Description
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.
SeverityHigh
CVSS7.6
Exploit probability—
Product
Lighttpd
PublishedNov 20, 2013
First seenNov 20, 2013
How to fix
Update
- lighttpd lighttpd1.4.33 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| lighttpd lighttpd | v < 1.4.33 | 1.4.33 |
| debian debian_linux | 6.0, 7.0, 8.0 | — |
| opensuse opensuse | 12.2, 12.3, 13.1 | — |
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