CVE-2009-5064 Privilege escalation in n/a
Local attackers can gain privileges by using a Trojan horse executable with a modified loader that bypasses LD_TRACE_LOADED_OBJECTS checks in glibc.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2009-5064?
CVE-2009-5064 is a medium-severity vulnerability in Gnu Glibc, published on 30 Mar 2011. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-264
Which versions are affected by CVE-2009-5064?
It affects 1 product.
Products include Gnu Glibc.
How do I fix CVE-2009-5064?
Apply the vendor's patch.
Is CVE-2009-5064 being exploited?
There is no known exploitation of CVE-2009-5064 in the wild and no public exploit code.
Other vulnerabilities in Gnu Glibc
Sources
Also known as DEBIAN-CVE-2009-5064, GHSA-jx79-x2m5-439p.