Description
suPHP before 0.6.3 allows local users to gain privileges via (1) a race condition that involves multiple symlink changes to point a file owned by a different user, or (2) a symlink to the directory of a different user, which is used to determine privileges.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 5.0 | suphp | 0.6.2-2+lenny0 | DTSA-124-1 |
| Debian 4.0 | suphp | 0.6.2-1+etch0 | DSA-1550-1 |
Advisories 2
- DTSA-124-1 suphp - race condition Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-1550-1 suphp Debian Security (DSA / DLA) · Mar 9, 2026
References
- [suPHP] 20080330 SECURITY ISSUE: Immediate update advised mailing-list
- ADV-2008-1073 vdb-entry
- https://bugzilla.redhat.com/show_bug.cgi?id=439687
- suphp-files-privilege-escalation(41582) vdb-entry
- 29615 third-party-advisory
- FEDORA-2008-2868 vendor-advisory
- DSA-1550 vendor-advisory
- 29872 third-party-advisory
- 29648 third-party-advisory
- FEDORA-2008-2815 vendor-advisory
- 28568 vdb-entry