Use-after-free in Apache Xerces-C

1) Use-after-free

EUVDB-ID: #VU24140

Risk: High

CVSSv3.1: 8.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2018-1311

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when scanning an external DTS file. A remote attacker can supply a specially crafted DTS file, trigger a use-after-free error and execute arbitrary code on the target system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Apache Xerces C++: 3.0.0 - 3.2.4

External links

http://marc.info/?l=xerces-c-users&m=157653840106914&w=2
http://xerces.apache.org/xerces-c/secadv/CVE-2018-1311.txt
http://lists.apache.org/thread/c497tgn864tsbm8w0bo3f0d81s07zk9r
http://issues.apache.org/jira/browse/XERCESC-2188

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.