CVE-2011-1027 Denial of service in n/a
Remote attackers can cause a denial of service via an infinite loop in cgit by sending malformed percent-encoded strings.
- 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-2011-1027?
CVE-2011-1027 is a medium-severity denial of service vulnerability in Fedoraproject Fedora, published on 20 Mar 2011. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Off-by-one error in the convert_query_hexchar function in html.c in cgit.cgi in cgit before 0.8.3.5 allows remote attackers to cause a denial of service (infinite loop) via a string composed of a % (percent) character followed by invalid hex characters, as demonstrated by a %gg sequence.
Weakness: CWE-193
Which versions are affected by CVE-2011-1027?
It affects 2 products.
Products include Fedoraproject Fedora, Lars Hjemli Cgit.
How do I fix CVE-2011-1027?
No fix has been published for CVE-2011-1027 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-2011-1027 being exploited?
There is no known exploitation of CVE-2011-1027 in the wild and no public exploit code.
Other vulnerabilities in Fedoraproject Fedora
Sources
Also known as GHSA-vg34-58mc-jr2w.