CVE-2009-3275 Denial of service in n/a
Attackers can cause denial of service via CPU exhaustion in Microsoft Enterprise Library using a crafted string with backslashes and quotes.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2009-3275?
CVE-2009-3275 is a medium-severity denial of service vulnerability in n/a, published on 21 Sep 2009. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Blocks/Common/Src/Configuration/Manageability/Adm/AdmContentBuilder.cs in Microsoft patterns & practices Enterprise Library (aka EntLib) allows context-dependent attackers to cause a denial of service (CPU consumption) via an input string composed of many \ (backslash) characters followed by a " (double quote), related to a certain regular expression, aka a "ReDoS" vulnerability.
Weakness: CWE-134
Which versions are affected by CVE-2009-3275?
It affects 1 product.
Products include Microsoft Enterprise Library.
How do I fix CVE-2009-3275?
No fix has been published for CVE-2009-3275 yet. Limit exposure of the affected software until one is available.
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-2009-3275 being exploited?
There is no known exploitation of CVE-2009-3275 in the wild and no public exploit code.
Sources
Also known as GHSA-j863-f9rp-wc8m.