CVE-2023-31486 Weak cryptography in n/a

High 8.1 Published 28 Apr 2023 Updated 30 Jan 2025

HTTP::Tiny defaults to insecure TLS verification, allowing man-in-the-middle attacks unless users explicitly enable certificate validation.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2023-31486?

CVE-2023-31486 is a high-severity vulnerability in n/a, published on 28 Apr 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

HTTP::Tiny before 0.083, a Perl core module since 5.13.9 and available standalone on CPAN, has an insecure default TLS configuration where users must opt in to verify certificates.

Weakness: CWE-295

Which versions are affected by CVE-2023-31486?

It affects 2 products.

Linux distribution packages (12)

`perl-HTTP-Tiny` AlmaLinux:8	All versions	`0.074-2.el8`
`perl-HTTP-Tiny` AlmaLinux:9	All versions	`0.076-461.el9`
`perl-HTTP-Tiny` Red Hat:enterprise_linux:8::baseos	All versions	`0:0.074-2.el8`
`perl-HTTP-Tiny` Red Hat:enterprise_linux:9::appstream	All versions	`0:0.076-461.el9`
`perl-HTTP-Tiny` Red Hat:rhel_eus:8.6::baseos	All versions	`0:0.074-1.el8_6.1`
`perl-HTTP-Tiny` Red Hat:rhel_eus:8.8::baseos	All versions	`0:0.074-1.el8_8.2`
`perl-HTTP-Tiny` Red Hat:rhel_eus:9.2::appstream	All versions	`0:0.076-461.el9_2`
`perl-HTTP-Tiny` SUSE:Package Hub 15 SP4	All versions	`0.086-bp154.2.3.1`
`perl-HTTP-Tiny` SUSE:Package Hub 15 SP5	All versions	`0.086-bp155.3.3.1`
`perl-HTTP-Tiny` openSUSE:Leap 15.4	All versions	`0.086-bp154.2.3.1`
`perl-HTTP-Tiny` openSUSE:Leap 15.5	All versions	`0.086-bp155.3.3.1`
`perl-HTTP-Tiny` openSUSE:Tumbleweed	All versions	`0.086-1.1`

Products include Http\ \, Perl Perl.

How do I fix CVE-2023-31486?

Upgrade to a fixed version.

Is CVE-2023-31486 being exploited?

There is no known exploitation of CVE-2023-31486 in the wild and no public exploit code.

Sources

Also known as ALSA-2023:6542, ALSA-2023:7174, AZL-37127, BELL-CVE-2023-31486, CLSA-2023-1689700476, CLSA-2023-1689700589 and 30 more.