CVE-2011-1020

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.

CVSS v2.0 4.6 MEDIUM

4.6^/10

CVSS v2.0 : MEDIUM

Vector : AV:L/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 3.9 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
http://openwall.com/lists/oss-security/2011/02/25/2	Mailing List Third Party Advisory
https://lkml.org/lkml/2011/2/10/21	Mailing List Third Party Advisory
http://secunia.com/advisories/43496	Third Party Advisory
http://openwall.com/lists/oss-security/2011/02/24/18	Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2011/Jan/421	Exploit Mailing List Third Party Advisory
https://lkml.org/lkml/2011/2/7/404	Mailing List Third Party Advisory
https://lkml.org/lkml/2011/2/7/368	Exploit Mailing List Third Party Advisory
https://lkml.org/lkml/2011/2/7/474	Mailing List Third Party Advisory
https://lkml.org/lkml/2011/2/9/417	Mailing List Third Party Advisory
http://www.halfdog.net/Security/2011/SuidBinariesAndProcInterface/	Exploit Third Party Advisory
https://lkml.org/lkml/2011/2/7/466	Mailing List Third Party Advisory
https://lkml.org/lkml/2011/2/7/414	Mailing List Third Party Advisory
http://www.securityfocus.com/bid/46567	Third Party Advisory VDB Entry
http://securityreason.com/securityalert/8107	Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/65693	Third Party Advisory VDB Entry

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Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Information

Published : 2011-02-28 08:00

Updated : 2020-08-12 09:35

NVD link : CVE-2011-1020

Mitre link : CVE-2011-1020

JSON object : View

CWE

CWE-200

Exposure of Sensitive Information to an Unauthorized Actor

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Products Affected

linux

linux_kernel

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