CVE-2014-3977 - Improper Link Resolution Before File Access ('Link Following')

Severity

69%

Complexity

34%

Confidentiality

165%

libodm.a in IBM AIX 6.1 and 7.1, and VIOS 2.2.x, allows local users to overwrite arbitrary files via a symlink attack on a temporary file. NOTE: this vulnerability exists because of an incomplete fix for CVE-2012-2179.

CVSS 2.0 Base Score 6.9. CVSS Attack Vector: local. CVSS Attack Complexity: medium. CVSS Vector: (AV:L/AC:M/Au:N/C:C/I:C/A:C).

Overview

Type

IBM

First reported 10 years ago

2014-06-08 23:55:00

Last updated 7 years ago

2017-08-29 01:34:00

Affected Software

IBM AIX 6.1

6.1

IBM AIX 7.1

7.1

IBM VIOS 2.2.0.10

2.2.0.10

IBM VIOS 2.2.0.11

2.2.0.11

IBM VIOS 2.2.0.12

2.2.0.12

IBM VIOS 2.2.0.13

2.2.0.13

IBM VIOS 2.2.1.0

2.2.1.0

IBM VIOS 2.2.1.1

2.2.1.1

IBM VIOS 2.2.1.3

2.2.1.3

IBM VIOS 2.2.1.4

2.2.1.4

IBM VIOS 2.2.1.4-FP-25 SP-02 (Fix Pack 25 Service Pack 02)

2.2.1.4

IBM VIOS 2.2.1.8

2.2.1.8

IBM VIOS 2.2.1.9

2.2.1.9

IBM VIOS 2.2.2.0

2.2.2.0

IBM VIOS 2.2.2.4

2.2.2.4

IBM VIOS 2.2.2.5

2.2.2.5

IBM VIOS 2.2.3.0

2.2.3.0

IBM VIOS 2.2.3.2

2.2.3.2

IBM VIOS 2.2.3.3

2.2.3.3

References

http://aix.software.ibm.com/aix/efixes/security/libodm_advisory.asc

http://packetstormsecurity.com/files/127067/IBM-AIX-6.1.8-Privilege-Escalation.html

33725

IV60299

IV60303

IV60311

IV60312

IV60313

IV60314

1030401

aix-libodm-symlink(93595)

https://www.portcullis-security.com/security-research-and-downloads/security-advisories/cve-2014-3977/

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