Denial of service in F5 Traffix SDC libarchive package

1) Improper input validation

EUVDB-ID: #VU16729

Risk: Low

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-1000880

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to cause DoS condition.

The vulnerability exists due to insufficient validation of user-supplied input in WARC parser - libarchive/archive_read_support_format_warc.c, _warc_read() that can result in DoS - quasi-infinite run time and disk usage from tiny file. A remote attacker can trick the victim into opening a specially crafted RAR archive and cause the service to crash.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Traffix SDC: 5.2.0 - 5.2.5

CPE2.3

• cpe:2.3:a:f5_networks:traffix_sdc:5.2.0:*:*:*:*:*:*:*
• cpe:2.3:a:f5_networks:traffix_sdc:5.2.1:*:*:*:*:*:*:*
• cpe:2.3:a:f5_networks:traffix_sdc:5.2.2:*:*:*:*:*:*:*

External links

https://my.f5.com/manage/s/article/K000148256

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.