CVE-2011-1020

CVSS V2 Medium 4.6 CVSS V3 None
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.
Overview
  • CVE ID
  • CVE-2011-1020
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2011-02-28T16:00:01
  • Last Modified Date
  • 2020-08-12T16:35:27
Weakness Enumerations
CWE URL
CWE-200 http://cwe.mitre.org/data/definitions/200.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 1 OR 2.6.37
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:P/I:P/A:P
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 4.6
  • Severity
  • MEDIUM
  • Exploitability Score
  • 3.9
  • Impact Score
  • 6.4
References
Reference URL Reference Tags
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
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2011-1020
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1020
History
Created Old Value New Value Data Type Notes
2022-05-10 17:23:06 Added to TrackCVE