perl vulnerability

2023-05-2918:16:29

Google

osv.dev

perl

vulnerability

tls

certificate

cpan

http::tiny

download

modules

https

remote attacker

intercept

communications

altered

8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

7.2 High

AI Score

Confidence

Low

0.004 Low

EPSS

Percentile

74.1%

JSON

It was discovered that Perl was not properly verifying TLS certificates
when using CPAN together with HTTP::Tiny to download modules over HTTPS.
If a remote attacker were able to intercept communications, this flaw
could potentially be used to install altered modules.