#VU80509 Buffer overflow in GSL - GNU Scientific Library - CVE-2020-35357

Vulnerability identifier: #VU80509

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2020-35357

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
GSL - GNU Scientific Library
Other software / Other software solutions

Vendor: GNU

Description

The vulnerability allows a remote attacker to execute arbitrary code.

The vulnerability exists due to a boundary error within the gsl_stats_quantile_from_sorted_data() function. A remote attacker can pass specially crafted data to the application, trigger memory corruption and compromise the affected system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

GSL - GNU Scientific Library: 2.5 - 2.6

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External links
https://savannah.gnu.org/bugs/?59624
https://git.savannah.gnu.org/cgit/gsl.git/commit/?id=989a193268b963aa1047814f7f1402084fb7d859

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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.