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CVE-2013-1959

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Date: May 3, 2013

kernel/user_namespace.c in the Linux kernel before 3.8.9 does not have appropriate capability requirements for the uid_map and gid_map files, which allows local users to gain privileges by opening a file within an unprivileged process and then modifying the file within a privileged process.

Language: C

Severity Score

Related Resources (10)

http://www.exploit-db.com/exploits/25307
https://nvd.nist.gov/vuln/detail/CVE-2013-1959
https://github.com/torvalds/linux/commit/6708075f104c3c9b04b23336bb0366ca30c3931b
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=e3211c120a85b792978bcb4be7b2886df18d27f0
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=6708075f104c3c9b04b23336bb0366ca30c3931b
https://github.com/torvalds/linux/commit/e3211c120a85b792978bcb4be7b2886df18d27f0
https://people.canonical.com/~ubuntu-security/cve/CVE-2013-1959
http://www.openwall.com/lists/oss-security/2013/04/29/1
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.9
https://www.mend.io/vulnerability-database/CVE-2013-1959

Severity Score

Weakness Type (CWE)

Permissions, Privileges, and Access Control

CWE-264

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): LOW

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): HIGH
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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