CVE-2009-3826 Memory corruption in n/a
Remote attackers can bypass URL blocking filters in SquidGuard by exploiting buffer overflows via long URLs, allowing unauthorized access to restricted content.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2009-3826?
CVE-2009-3826 is a medium-severity memory corruption vulnerability in n/a, published on 28 Oct 2009. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Multiple buffer overflows in squidGuard 1.4 allow remote attackers to bypass intended URL blocking via a long URL, related to (1) the relationship between a certain buffer size in squidGuard and a certain buffer size in Squid and (2) a redirect URL that contains information about the originally requested URL.
Weakness: CWE-119
Which versions are affected by CVE-2009-3826?
It affects 1 product.
Products include Squidguard Squidguard.
How do I fix CVE-2009-3826?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2009-3826 being exploited?
There is no known exploitation of CVE-2009-3826 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2009-3826, GHSA-2vw7-9m84-rphf.