CVE-2011-0536
Description
Multiple untrusted search path vulnerabilities in elf/dl-object.c in certain modified versions of the GNU C Library (aka glibc or libc6), including glibc-2.5-49.el5_5.6 and glibc-2.12-1.7.el6_0.3 in Red Hat Enterprise Linux, allow local users to gain privileges via a crafted dynamic shared object (DSO) in a subdirectory of the current working directory during execution of a (1) setuid or (2) setgid program that has $ORIGIN in (a) RPATH or (b) RUNPATH within the program itself or a referenced library. NOTE: this issue exists because of an incorrect fix for CVE-2010-3847.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Exploits
Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.
Exploit-DB
GNU C library dynamic linker - '$ORIGIN' Expansion
OS impact
Red Hat Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 0 |
| sid | Fixed | 0 |
| forky | Fixed | 0 |
| bullseye | Fixed | 0 |
| bookworm | Fixed | 0 |
References
- http://lists.debian.org/debian-security-announce/2011/msg00005.html
- http://openwall.com/lists/oss-security/2011/02/01/3
- http://openwall.com/lists/oss-security/2011/02/03/2
- http://secunia.com/advisories/43830
- http://secunia.com/advisories/43989
- http://secunia.com/advisories/46397
- http://securitytracker.com/id?1025289
- http://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=96611391ad8823ba58405325d78cefeae5cdf699
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:178
- http://www.redhat.com/support/errata/RHSA-2011-0412.html
- http://www.redhat.com/support/errata/RHSA-2011-0413.html
- http://www.securityfocus.com/archive/1/520102/100/0/threaded
- http://www.ubuntu.com/usn/USN-1009-2
- http://www.vmware.com/security/advisories/VMSA-2011-0012.html
- http://www.vupen.com/english/advisories/2011/0863
- https://bugzilla.redhat.com/show_bug.cgi?id=667974
- https://launchpad.net/bugs/701783
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13086
- https://security-tracker.debian.org/tracker/CVE-2011-0536
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.