Input validation error in perl-email-address (Alpine package)

1) Input validation error

EUVDB-ID: #VU33090

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2014-4720

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service (CPU consumption) via vectors related to "backtracking into the phrase," a different vulnerability than CVE-2014-0477.

Mitigation

Install update from vendor's website.

Vulnerable software versions

perl-email-address (Alpine package): 1.896-r0 - 1.903-r0

mysql (Alpine package): 5.5.15-r0 - 5.5.37-r0

CPE2.3

• cpe:2.3:o:alpine:perl-email-address_alpine_package:1.903-r0:*:*:*:*:alpine_linux:*:
• cpe:2.3:o:alpine:perl-email-address_alpine_package:1.900-r0:*:*:*:*:alpine_linux:*:
• cpe:2.3:o:alpine:perl-email-address_alpine_package:1.898-r0:*:*:*:*:alpine_linux:*:
• cpe:2.3:o:alpine:mysql_alpine_package:5.5.37-r0:*:*:*:*:alpine_linux:*:
• cpe:2.3:o:alpine:mysql_alpine_package:5.5.28-r0:*:*:*:*:alpine_linux:*:
• cpe:2.3:o:alpine:mysql_alpine_package:5.5.30-r0:*:*:*:*:alpine_linux:*:

External links

http://git.alpinelinux.org/aports/commit/?id=980b4d3ad245a073903b30836daa8c37ecdfdd7d
http://git.alpinelinux.org/aports/commit/?id=749e5250afa489c318f597e7dee7743c23a627b3
http://git.alpinelinux.org/aports/commit/?id=158c921f4d243d45462addc8ab40d61e86709d13
http://git.alpinelinux.org/aports/commit/?id=bc8efb9ddc35c480c2a251347e7537fbc91692bb

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.