Resource management error in luaexpat - CVE-2011-2188
Published: June 21, 2011 / Updated: August 11, 2020
Vulnerability identifier: #VU44937
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2011-2188
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: tarantool
Affected software:
luaexpat
luaexpat
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to perform service disruption.
LuaExpat before 1.2.0 does not properly detect recursion during entity expansion, which allows remote attackers to cause a denial of service (memory and CPU consumption) via a crafted XML document containing a large number of nested entity references, a similar issue to CVE-2003-1564.
How to mitigate CVE-2011-2188
Install update from vendor's website.
Sources
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=629225
- http://secunia.com/advisories/44866
- http://www.openwall.com/lists/oss-security/2011/06/06/19
- http://www.openwall.com/lists/oss-security/2011/06/06/4
- http://www.securityfocus.com/bid/48123
- https://bugzilla.redhat.com/show_bug.cgi?id=711027
- https://exchange.xforce.ibmcloud.com/vulnerabilities/67862