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CVE-2008-6549

MoinMoin Denial of Service vulnerability via password_checker function

5.0 MediumFix available

CVE-2008-6549 is a medium vulnerability (CVSS 5.0) in Moinmo Moinmoin, published March 30, 2009. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.48%, the 74th percentile. Fixed in moin 1.6.1.

What does this mean?
Severity
5.0 MediumCVSS 2.0, NVD
Exploit chance
1.48%EPSS, 74th percentile
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
1.6.1moin

Description

The password_checker function in config/multiconfig.py in MoinMoin 1.6.1 uses the cracklib and python-crack features even though they are not thread-safe, which allows remote attackers to cause a denial of service (segmentation fault and crash) via unknown vectors.

Exploit likelihood

1.48%Up 0.3 points since Feb 4, 2022
90%50%10%1%

Affected products

Affected packages

Affected packages
PackageAffectedFixed
moin
PyPI
before 1.6.1
1.6.1

What each source reports

NVD Score used5.0

The password_checker function in config/multiconfig.py in MoinMoin 1.6.1 uses the cracklib and python-crack features even though they are not thread-safe, which allows remote attackers to cause a denial of service (segmentation fault and crash) via unknown vectors.

Record
CVE-2008-6549
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Updated
2026-11-02
CVE ListNo score

The password_checker function in config/multiconfig.py in MoinMoin 1.6.1 uses the cracklib and python-crack features even though they are not thread-safe, which allows remote attackers to cause a denial of service (segmentation fault and crash) via unknown vectors.

Record
CVE-2008-6549
Updated
2026-11-02
EUVDEUVD-2009-0008No score

The password_checker function in config/multiconfig.py in MoinMoin 1.6.1 uses the cracklib and python-crack features even though they are not thread-safe, which allows remote attackers to cause a denial of service (segmentation fault and crash) via unknown vectors.

Record
EUVD-2009-0008
Updated
2026-11-03
GitHub AdvisoriesGHSA-wjjc-m3fc-fcm88.7

MoinMoin Denial of Service vulnerability via password_checker function

The password_checker function in config/multiconfig.py in MoinMoin prior to version 1.6.1 uses the cracklib and python-crack features even though they are not thread-safe, which allows remote attackers to cause a denial of service (segmentation fault and crash) via unknown vectors.

Record
GHSA-wjjc-m3fc-fcm8
CVSS 4.0
8.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-400
Updated
2026-11-02
OSVGHSA-wjjc-m3fc-fcm88.7

MoinMoin Denial of Service vulnerability via password_checker function

The password_checker function in config/multiconfig.py in MoinMoin prior to version 1.6.1 uses the cracklib and python-crack features even though they are not thread-safe, which allows remote attackers to cause a denial of service (segmentation fault and crash) via unknown vectors.

Record
GHSA-wjjc-m3fc-fcm8
CVSS 4.0
8.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-400
Updated
2026-11-02
OSVNo score

The password_checker function in config/multiconfig.py in MoinMoin 1.6.1 uses the cracklib and python-crack features even though they are not thread-safe, which allows remote attackers to cause a denial of service (segmentation fault and crash) via unknown vectors.

Record
CVE-2008-6549
Updated
2026-11-02
OSVPYSEC-2009-12No score

The password_checker function in config/multiconfig.py in MoinMoin 1.6.1 uses the cracklib and python-crack features even though they are not thread-safe, which allows remote attackers to cause a denial of service (segmentation fault and crash) via unknown vectors.

Record
PYSEC-2009-12
Updated
2026-11-02

History

History
RecordedChangedSources
facts
affected
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

References

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