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…
Does this matter?
Lower severity and a low EPSS score (0.92%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 2.0
- 4.6 MEDIUMAV:L/AC:L/Au:N/C:P/I:P/A:P
- EPSS
- 0.92% probability · 58th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-200
- Affected
- linux/linux kernel
- Source
- secalert@redhat.com
References
- http://openwall.com/lists/oss-security/2011/02/24/18Mailing List, Third Party Advisory
- http://openwall.com/lists/oss-security/2011/02/25/2Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2011/Jan/421Exploit, Mailing List, Third Party Advisory
- http://secunia.com/advisories/43496Third Party Advisory
- http://securityreason.com/securityalert/8107Third Party Advisory
- http://www.halfdog.net/Security/2011/SuidBinariesAndProcInterface/Exploit, Third Party Advisory
- http://www.securityfocus.com/bid/46567Third Party Advisory, VDB Entry
- https://exchange.xforce.ibmcloud.com/vulnerabilities/65693Third Party Advisory, VDB Entry
- https://lkml.org/lkml/2011/2/10/21Mailing List, Third Party Advisory
- https://lkml.org/lkml/2011/2/7/368Exploit, Mailing List, Third Party Advisory
- https://lkml.org/lkml/2011/2/7/404Mailing List, Third Party Advisory
- https://lkml.org/lkml/2011/2/7/414Mailing List, Third Party Advisory
- https://lkml.org/lkml/2011/2/7/466Mailing List, Third Party Advisory
- https://lkml.org/lkml/2011/2/7/474Mailing List, Third Party Advisory
- https://lkml.org/lkml/2011/2/9/417Mailing List, Third Party Advisory
- http://openwall.com/lists/oss-security/2011/02/24/18Mailing List, Third Party Advisory
- http://openwall.com/lists/oss-security/2011/02/25/2Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2011/Jan/421Exploit, Mailing List, Third Party Advisory
- http://secunia.com/advisories/43496Third Party Advisory
- http://securityreason.com/securityalert/8107Third Party Advisory
- http://www.halfdog.net/Security/2011/SuidBinariesAndProcInterface/Exploit, Third Party Advisory
- http://www.securityfocus.com/bid/46567Third Party Advisory, VDB Entry
- https://exchange.xforce.ibmcloud.com/vulnerabilities/65693Third Party Advisory, VDB Entry
- https://lkml.org/lkml/2011/2/10/21Mailing List, Third Party Advisory
- https://lkml.org/lkml/2011/2/7/368Exploit, Mailing List, Third Party Advisory
- https://lkml.org/lkml/2011/2/7/404Mailing List, Third Party Advisory
- https://lkml.org/lkml/2011/2/7/414Mailing List, Third Party Advisory
- https://lkml.org/lkml/2011/2/7/466Mailing List, Third Party Advisory
- https://lkml.org/lkml/2011/2/7/474Mailing List, Third Party Advisory
- https://lkml.org/lkml/2011/2/9/417Mailing List, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.