Vulnerability Description
ldd in the GNU C Library (aka glibc or libc6) 2.13 and earlier allows local users to gain privileges via a Trojan horse executable file linked with a modified loader that omits certain LD_TRACE_LOADED_OBJECTS checks. NOTE: the GNU C Library vendor states "This is just nonsense. There are a gazillion other ways to introduce code if people are downloading arbitrary binaries and install them in appropriate directories or set LD_LIBRARY_PATH etc.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gnu | Glibc | <= 2.1.3 |
Related Weaknesses (CWE)
References
- http://openwall.com/lists/oss-security/2011/03/07/10Exploit
- http://openwall.com/lists/oss-security/2011/03/07/13ExploitPatch
- http://openwall.com/lists/oss-security/2011/03/07/7Exploit
- http://openwall.com/lists/oss-security/2011/03/08/1ExploitPatch
- http://openwall.com/lists/oss-security/2011/03/08/10ExploitPatch
- http://openwall.com/lists/oss-security/2011/03/08/2ExploitPatch
- http://openwall.com/lists/oss-security/2011/03/08/3ExploitPatch
- http://openwall.com/lists/oss-security/2011/03/08/7ExploitPatch
- http://reverse.lostrealm.com/protect/ldd.htmlExploit
- http://www.catonmat.net/blog/ldd-arbitrary-code-execution/Exploit
- http://www.redhat.com/support/errata/RHSA-2011-1526.html
- https://bugzilla.redhat.com/show_bug.cgi?id=531160ExploitPatch
- https://bugzilla.redhat.com/show_bug.cgi?id=682998ExploitPatch
- http://openwall.com/lists/oss-security/2011/03/07/10Exploit
- http://openwall.com/lists/oss-security/2011/03/07/13ExploitPatch
FAQ
What is CVE-2009-5064?
CVE-2009-5064 is a vulnerability with a CVSS score of 6.9 (MEDIUM). ldd in the GNU C Library (aka glibc or libc6) 2.13 and earlier allows local users to gain privileges via a Trojan horse executable file linked with a modified loader that omits certain LD_TRACE_LOADED...
How severe is CVE-2009-5064?
CVE-2009-5064 has been rated MEDIUM with a CVSS base score of 6.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2009-5064?
Check the references section above for vendor advisories and patch information. Affected products include: Gnu Glibc.