Gentoo update for re2c

1) Uncontrolled Recursion

EUVDB-ID: #VU31884

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-21232

CWE-ID: CWE-674 - Uncontrolled Recursion

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to uncontrolled recursion that causes stack consumption in find_fixed_tags.A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.

Mitigation

Update the affected packages.
dev-util/re2c to version: 2.0

Vulnerable software versions

Gentoo Linux: All versions

dev-util/re2c: before 2.0

CPE2.3

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:
• cpe:2.3:o:gentoo:dev-util_re2c:*:*:*:*:*:gentoo_linux:*:

External links

http://security.gentoo.org/glsa/202408-16

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.