CVE-2015-4499 Auth bypass in n/a
Remote attackers can gain unauthorized domain privileges by exploiting email address truncation during account registration in Bugzilla.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2015-4499?
CVE-2015-4499 is a high-severity authentication bypass vulnerability in Mozilla Bugzilla, published on 14 Sep 2015. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Util.pm in Bugzilla 2.x, 3.x, and 4.x before 4.2.15, 4.3.x and 4.4.x before 4.4.10, and 5.x before 5.0.1 mishandles long e-mail addresses during account registration, which allows remote attackers to obtain the default privileges for an arbitrary domain name by placing that name in a substring of an address, as demonstrated by truncation of an @mozilla.com.example.com address to an @mozilla.com address.
Weakness: CWE-20
Which versions are affected by CVE-2015-4499?
It affects 1 product.
Products include Mozilla Bugzilla.
How do I fix CVE-2015-4499?
Upgrade to a fixed version.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2015-4499 being exploited?
There is no known exploitation of CVE-2015-4499 in the wild and no public exploit code.
Other vulnerabilities in Mozilla Bugzilla
Sources
Also known as GHSA-cmch-rp3j-f57g.