Description
mod_auth_openid before 0.7 for Apache uses world-readable permissions for /tmp/mod_auth_openid.db, which allows local users to obtain session ids.
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 11 | libapache2-mod-auth-openid | 0.7-0.1 | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 1
- Apache Mod_Auth_OpenID - Session Stealing EDB-18917 · local · May 24, 2012 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- http://packetstormsecurity.org/files/112991/Mod_Auth_OpenID-Session-Stealing.html
- 20120522 session stealing in mod_auth_openid - CVE-2012-2760 mailing-list
- MDVSA-2012:114 vendor-advisory
- modauthopenid-database-info-disclosure(75813) vdb-entry
- 18917 exploit
- https://github.com/bmuller/mod_auth_openid/pull/30
- https://github.com/bmuller/mod_auth_openid/blob/master/ChangeLog
- 49247 third-party-advisory
- 82139 vdb-entry
- 53661 vdb-entry