CVE-2009-5023 - Improper Link Resolution Before File Access ('Link Following')

Severity

47%

Complexity

34%

Confidentiality

115%

The (1) dshield.conf, (2) mail-buffered.conf, (3) mynetwatchman.conf, and (4) mynetwatchman.conf actions in action.d/ in Fail2ban before 0.8.5 allows local users to write to arbitrary files via a symlink attack on temporary files with predictable names, as demonstrated by /tmp/fail2ban-mail.txt.

The (1) dshield.conf, (2) mail-buffered.conf, (3) mynetwatchman.conf, and (4) mynetwatchman.conf actions in action.d/ in Fail2ban before 0.8.5 allows local users to write to arbitrary files via a symlink attack on temporary files with predictable names, as demonstrated by /tmp/fail2ban-mail.txt.

CVSS 2.0 Base Score 4.7. CVSS Attack Vector: local. CVSS Attack Complexity: medium. CVSS Vector: (AV:L/AC:M/Au:N/C:N/I:C/A:N).

Overview

Type

Fail2Ban

First reported 10 years ago

2014-06-10 14:55:00

Last updated 10 years ago

2014-06-24 14:51:00

Affected Software

Fail2Ban 0.1.0

0.1.0

Fail2Ban 0.1.1

0.1.1

Fail2Ban 0.1.2

0.1.2

Fail2Ban 0.3.0

0.3.0

Fail2Ban 0.3.1

0.3.1

Fail2Ban 0.4.0

0.4.0

Fail2Ban 0.4.1

0.4.1

Fail2Ban 0.5.0

0.5.0

Fail2Ban 0.5.1

0.5.1

Fail2Ban 0.5.2

0.5.2

Fail2Ban 0.5.3

0.5.3

Fail2Ban 0.5.4

0.5.4

Fail2Ban 0.5.5

0.5.5

Fail2Ban 0.6.0

0.6.0

Fail2Ban 0.6.1

0.6.1

Fail2Ban 0.7.0

0.7.0

Fail2Ban 0.7.1

0.7.1

Fail2Ban 0.7.2

0.7.2

Fail2Ban 0.7.3

0.7.3

Fail2Ban 0.7.4

0.7.4

Fail2Ban 0.7.5

0.7.5

Fail2Ban 0.7.6

0.7.6

Fail2Ban 0.7.7

0.7.7

Fail2Ban 0.7.8

0.7.8

Fail2Ban 0.7.9

0.7.9

Fail2Ban 0.8.0

0.8.0

Fail2Ban 0.8.1

0.8.1

Fail2Ban 0.8.2

0.8.2

Fail2Ban 0.8.3

0.8.3

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