6.9 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:M/Au:N/C:C/I:C/A:C
8.1 High
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
10.1%
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.
openwall.com/lists/oss-security/2011/03/07/10
openwall.com/lists/oss-security/2011/03/07/13
openwall.com/lists/oss-security/2011/03/07/7
openwall.com/lists/oss-security/2011/03/08/1
openwall.com/lists/oss-security/2011/03/08/10
openwall.com/lists/oss-security/2011/03/08/2
openwall.com/lists/oss-security/2011/03/08/3
openwall.com/lists/oss-security/2011/03/08/7
reverse.lostrealm.com/protect/ldd.html
www.catonmat.net/blog/ldd-arbitrary-code-execution/
www.redhat.com/support/errata/RHSA-2011-1526.html
bugzilla.redhat.com/show_bug.cgi?id=531160
bugzilla.redhat.com/show_bug.cgi?id=682998