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CVE-2009-5023

UnknownEPSS 0.34%

Last modified

CVE-2009-5023 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.34% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability
0.34%

25.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
Fail2banFail2ban<= 0.8.4
Fail2banFail2ban0.1.0
Fail2banFail2ban0.1.1
Fail2banFail2ban0.1.2
Fail2banFail2ban0.3.0
Fail2banFail2ban0.3.1
Fail2banFail2ban0.4.0
Fail2banFail2ban0.4.1
Fail2banFail2ban0.5.0
Fail2banFail2ban0.5.1
Fail2banFail2ban0.5.2
Fail2banFail2ban0.5.3
Fail2banFail2ban0.5.4
Fail2banFail2ban0.5.5
Fail2banFail2ban0.6.0
Fail2banFail2ban0.6.1
Fail2banFail2ban0.7.0
Fail2banFail2ban0.7.1
Fail2banFail2ban0.7.2
Fail2banFail2ban0.7.3
Fail2banFail2ban0.7.4
Fail2banFail2ban0.7.5
Fail2banFail2ban0.7.6
Fail2banFail2ban0.7.7
Fail2banFail2ban0.7.8
Fail2banFail2ban0.7.9
Fail2banFail2ban0.8.0
Fail2banFail2ban0.8.1
Fail2banFail2ban0.8.2
Fail2banFail2ban0.8.3

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2009-5023?
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.
How severe is CVE-2009-5023?
Severity scoring for CVE-2009-5023 is pending analysis. The EPSS model estimates a 0.34% probability of exploitation in the next 30 days.
How do I fix CVE-2009-5023?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

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Source: NVD / NIST