CVE-2009-4147

The _rtld function in the Run-Time Link-Editor (rtld) in libexec/rtld-elf/rtld.c in FreeBSD 7.1 and 8.0 does not clear the (1) LD_LIBMAP, (2) LD_LIBRARY_PATH, (3) LD_LIBMAP_DISABLE, (4) LD_DEBUG, and (5) LD_ELF_HINTS_PATH environment variables, which allows local users to gain privileges by executing a setuid or setguid program with a modified variable containing an untrusted search path that points to a Trojan horse library, different vectors than CVE-2009-4146.

CVSS v2.0

7.2 HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C

EPSS

3.71% chance of exploitation in the next 30 days, 89th percentile

Published

2009-12-02

Updated

2024-08-07

Metasploit modules (1)

• rapid7/metasploit-framework/blob/master/modules/exploits/freebsd/local/rtld_execl_priv_es…

ExploitDB entries (1)

• https://www.exploit-db.com/exploits/10255

References

• CVE Record
• NVD entry

Related

• CVE-2009-4146
• CVE-2009-4148
• CVE-2009-4142
• CVE-2009-4154
• CVE-2009-4141
• CVE-2009-4155