CVE-2008-6549 MoinMoin Denial of Service vulnerability via password_checker function
Remote attackers can cause a denial of service via segmentation fault in MoinMoin due to thread-unsafe password checking.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2008-6549?
CVE-2008-6549 is a medium-severity denial of service vulnerability in n/a, published on 30 Mar 2009. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Which versions are affected by CVE-2008-6549?
3 open source packages ship an affected version, including moin. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
moin PyPI | All versions | 1.6.1 |
moin PyPI | All versions | 1.6.1 |
moin PyPI | All versions | 1.6.1 |
Products include Moinmo Moinmoin.
How do I fix CVE-2008-6549?
Upgrade moin to 1.6.1 or later.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2008-6549 being exploited?
There is no known exploitation of CVE-2008-6549 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2020-15275 malicious SVG attachment causing stored XSS vulnerability in MoinMoin
- CVE-2009-4762 MoinMoin Improper Access Control vulnerability
- CVE-2010-0669 MoinMoin improper sanitizes user profiles
- CVE-2010-0717 MoinMoin has improper default configuration
- CVE-2010-0668 MoinMoin has multiple vulnerabilities related to superuser list, xmlrpc and OpenID configuration
Sources
Also known as GHSA-wjjc-m3fc-fcm8, PYSEC-2009-12.