CVE-2020-35357 Memory corruption in n/a

Medium 6.5 Published 22 Aug 2023 Updated 7 Dec 2024

A buffer overflow in the GSL statistics library allows attackers to cause denial of service or execute arbitrary code via crafted input.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: Available

What is CVE-2020-35357?

CVE-2020-35357 is a medium-severity memory corruption vulnerability in Debian Debian Linux, published on 22 Aug 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A buffer overflow can occur when calculating the quantile value using the Statistics Library of GSL (GNU Scientific Library), versions 2.5 and 2.6. Processing a maliciously crafted input data for gsl_stats_quantile_from_sorted_data of the library may lead to unexpected application termination or arbitrary code execution.

Weakness: CWE-120

Which versions are affected by CVE-2020-35357?

It affects 2 products.

Linux distribution packages (15)

`gsl` SUSE:Linux Enterprise Module for Desktop Applications 15 SP4	All versions	`2.6-150200.3.4.3`
`gsl` SUSE:Linux Enterprise Module for Desktop Applications 15 SP5	All versions	`2.6-150200.3.4.3`
`gsl` SUSE:Linux Enterprise Module for Package Hub 15 SP4	All versions	`2.6-150200.3.4.3`
`gsl` SUSE:Linux Enterprise Module for Package Hub 15 SP5	All versions	`2.6-150200.3.4.3`
`gsl` SUSE:Linux Enterprise Software Development Kit 12 SP5	All versions	`1.16-5.4.1`
`gsl` SUSE:Linux Enterprise Workstation Extension 12 SP5	All versions	`1.16-5.4.1`
`gsl` SUSE:Linux Enterprise Workstation Extension 15 SP4	All versions	`2.4-150100.9.4.1`
`gsl` SUSE:Linux Enterprise Workstation Extension 15 SP5	All versions	`2.4-150100.9.4.1`
`gsl` openSUSE:Leap 15.4	All versions	`2.4-150100.9.4.1`
`gsl` openSUSE:Leap 15.4	All versions	`2.6-150200.3.4.3`
`gsl_2_4-gnu-hpc` openSUSE:Leap 15.4	All versions	`2.4-150100.9.4.1`
`gsl_2_6-gnu-hpc` openSUSE:Leap 15.4	All versions	`2.6-150200.3.4.3`
`gsl` openSUSE:Leap 15.5	All versions	`2.6-150200.3.4.3`
`gsl_2_4-gnu-hpc` openSUSE:Leap 15.5	All versions	`2.4-150100.9.4.1`
`gsl_2_6-gnu-hpc` openSUSE:Leap 15.5	All versions	`2.6-150200.3.4.3`

Products include Debian Debian Linux, Gnu Gnu Scientific Library.

How do I fix CVE-2020-35357?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2020-35357 being exploited?

There is no known exploitation of CVE-2020-35357 in the wild and no public exploit code.

All Debian Debian Linux vulnerabilities

Sources

Also known as AZL-43711, AZL-45111, DEBIAN-CVE-2020-35357, DLA-3576-1, DLA-3985-1, GHSA-xp4h-43w8-c7qr and 5 more.