Fedora 25 update for perl-DBD-MySQL

1) Man-in-the-middle attack

EUVDB-ID: #VU13110

Risk: Low

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2017-10788

CWE-ID: CWE-300 - Channel Accessible by Non-Endpoint ('Man-in-the-Middle')

Exploit availability: No

Description

The vulnerability allows a remote attacker to conduct man-in-the-middle attack on the target system.

The vulnerability exists due to use-after-free error when improper certificate validation. A remote attacker can conduct man-in-the-middle attack, intercept of the communication channel between the affected app, trigger (1) certain error responses from a MySQL server or (2) a loss of a network connection to a MySQL server and cause the service to crash.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 25

perl-DBD-MySQL: before 4.043-1.fc25

CPE2.3

• cpe:2.3:o:fedoraproject:fedora:25:*:*:*:*:*:*:*
• cpe:2.3:a:fedoraproject:perl-dbd-mysql:*:*:*:*:*:fedora:*:*

External links

https://bodhi.fedoraproject.org/updates/FEDORA-2017-486371ff24

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.