PT-2018-15490 · Openssl · Openssl

CVE-2018-20997 · Published 2018-06-01 · Updated 2023-02-27

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions OpenSSL crate versions prior to 0.10.9

Description A use-after-free issue occurs in CMS Signing, where structures are used after they have been freed.

Recommendations For versions prior to 0.10.9, update to version 0.10.9 or later to resolve the issue.

Fix

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

CVE-2018-20997

GHSA-XJXC-VFW2-CG96

RUSTSEC-2018-0010

Affected Products

Openssl

References · 11

• https://nvd.nist.gov/vuln/detail/CVE-2018-20997 · Security Note
• https://osv.dev/vulnerability/GHSA-xjxc-vfw2-cg96 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2018-20997 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2018-20997 · Vendor Advisory
• https://osv.dev/vulnerability/RUSTSEC-2018-0010 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2018-20997 · Security Note
• https://ubuntu.com/security/CVE-2018-20997 · Vendor Advisory
• https://github.com/sfackler/rust-openssl · Note
• https://github.com/sfackler/rust-openssl/pull/942 · Note
• https://crates.io/crates/openssl · Note
• https://rustsec.org/advisories/RUSTSEC-2018-0010.html · Note