Linux Security
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Linux Security

Mageia 2021-0108: openssl and compat-openssl10 security update

Date 04 Mar 2021
115
Posted By LinuxSecurity Advisories
Paul Kehrer discovered that OpenSSL incorrectly handled certain input lengths in EVP functions. A remote attacker could possibly use this issue to cause OpenSSL to crash, resulting in a denial of service (CVE-2021-23840). Tavis Ormandy discovered that OpenSSL incorrectly handled parsing issuer
MGASA-2021-0108 - Updated openssl and compat-openssl10 packages fix security vulnerabilities

Publication date: 04 Mar 2021
URL: https://advisories.mageia.org/MGASA-2021-0108.html
Type: security
Affected Mageia releases: 7, 8
CVE: CVE-2021-23840,
     CVE-2021-23841

Paul Kehrer discovered that OpenSSL incorrectly handled certain input lengths
in EVP functions. A remote attacker could possibly use this issue to cause
OpenSSL to crash, resulting in a denial of service (CVE-2021-23840).

Tavis Ormandy discovered that OpenSSL incorrectly handled parsing issuer
fields. A remote attacker could possibly use this issue to cause OpenSSL to
crash, resulting in a denial of service (CVE-2021-23841).

References:
- https://bugs.mageia.org/show_bug.cgi?id=28383
- https://www.openssl.org/news/secadv/20210216.txt
- https://ubuntu.com/security/notices/USN-4738-1
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23840
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23841

SRPMS:
- 8/core/openssl-1.1.1j-1.mga8
- 7/core/openssl-1.1.0l-1.3.mga7
- 7/core/compat-openssl10-1.0.2u-1.2.mga7

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