CVE-2010-4254

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 13.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2010-12-06 · updated 2026-06-16
Weakness: CWE-20

Description

Mono, when Moonlight before 2.3.0.1 or 2.99.x before 2.99.0.10 is used, does not properly validate arguments to generic methods, which allows remote attackers to bypass generic constraints, and possibly execute arbitrary code, via a crafted method call.

Affected products

mono: all versions
Novell Moonlight: through 2.3.0; 2.99.0, 2.99.1, 2.99.2, 2.99.7, 2.99.9

References

http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00006.html
http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00003.html
http://secunia.com/advisories/42373
http://secunia.com/advisories/42877
http://www.exploit-db.com/exploits/15974
http://www.mono-project.com/Vulnerabilities#Moonlight_Generic_Constraints_Bypass_Vulnerability
http://www.securityfocus.com/bid/45051
http://www.vupen.com/english/advisories/2011/0076
https://bugzilla.novell.com/show_bug.cgi?id=654136
https://bugzilla.novell.com/show_bug.cgi?id=655847
https://github.com/mono/mono/commit/4905ef1130feb26c3150b28b97e4a96752e0d399
https://github.com/mono/mono/commit/65292a69c837b8a5f7a392d34db63de592153358

Get alerted when CVE-2010-4254 or the next vulnerability affects your stack