Red Hat Enterprise Linux 7.x update for xerces-c

1) Use-after-free

EUVDB-ID: #VU24140

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/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  updates from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux for x86_64: 7.7

Red Hat Enterprise Linux for Power: 7 - 7.7

Red Hat Enterprise Linux for IBM z Systems: 7 - 7.7

Red Hat Enterprise Linux Server: 7 - 7.7

Red Hat Enterprise Linux for Scientific Computing: 7

Red Hat Enterprise Linux Desktop: 7

Red Hat Enterprise Linux Workstation: 7

External links

http://access.redhat.com/errata/RHSA-2020:0704

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.