CVE-2011-1020

Linux Kernel < 2.6.37 - Information Disclosure

Title source: rule
STIX 2.1

Description

The proc filesystem implementation in the Linux kernel 2.6.37 and earlier does not restrict access to the /proc directory tree of a process after this process performs an exec of a setuid program, which allows local users to obtain sensitive information or cause a denial of service via open, lseek, read, and write system calls.

Exploits (1)

exploitdb WORKING POC
by halfdog · textlocallinux
https://www.exploit-db.com/exploits/41770

References (15)

Core 15
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/65693
Third Party Advisory third-party-advisory x_refsource_sreason
http://securityreason.com/securityalert/8107
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/43496
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
http://openwall.com/lists/oss-security/2011/02/24/18
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lkml.org/lkml/2011/2/7/466
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
http://openwall.com/lists/oss-security/2011/02/25/2
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lkml.org/lkml/2011/2/7/414
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lkml.org/lkml/2011/2/10/21
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/46567
Exploit, Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lkml.org/lkml/2011/2/7/368
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lkml.org/lkml/2011/2/9/417
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lkml.org/lkml/2011/2/7/474
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lkml.org/lkml/2011/2/7/404
Exploit, Mailing List, Third Party Advisory mailing-list x_refsource_fulldisc
http://seclists.org/fulldisclosure/2011/Jan/421
Exploit, Third Party Advisory x_refsource_misc
http://www.halfdog.net/Security/2011/SuidBinariesAndProcInterface/

Scores

EPSS 0.0024
EPSS Percentile 47.8%

Details

CWE
CWE-200
Status published
Products (1)
linux/linux_kernel < 2.6.37
Published Feb 28, 2011
Tracked Since Feb 18, 2026