Stay Secure with the Latest Linux Advisories

security advisorybuffer overflowphp

Mageia 8: 2023-0065 Critical: Invalid Hash Handling and DoS Risk

The password_verify() function may accept some invalid Blowfish hashes as valid. If such invalid hash ever ends up in the password database, it may lead to an application allowing any password for this entry as valid. (CVE-2023-0567) The core path resolution function allocates a buffer one byte too small. . MGASA-2023-0065 - Updated php packages fix security vulnerability Publication date: 27 Feb 2023 URL: https://advisories.mageia.org/MGASA-2023-0065.html Type: security Affected Mageia releases: 8 CVE: CVE-2023-0567, CVE-2023-0568, CVE-2023-0662 The password_verify() function may accept some invalid Blowfish hashes as valid. If such invalid hash ever ends up in the password database, it may lead to an application allowing any password for this entry as valid. (CVE-2023-0567) The core path resolution function allocates a buffer one byte too small. When resolving paths with lengths close to system MAXPATHLEN setting, this may lead to the byte after the allocated buffer being overwritten with NUL value, which might lead to unauthorized data access or modification. (CVE-2023-0568) Excessive number of parts in HTTP form upload can cause high resource consumption and excessive number of log entries. This can cause denial of service on the affected server by exhausting CPU resources or disk space. (CVE-2023-0662) References: - https://bugs.mageia.org/show_bug.cgi?id=31549 - https://www.php.net/ChangeLog-8.php#8.0.28 - https://www.cve.org/CVERecord?id=CVE-2023-0567 - https://www.cve.org/CVERecord?id=CVE-2023-0568 - https://www.cve.org/CVERecord?id=CVE-2023-0662 SRPMS: - 8/core/php-8.0.28-1.mga8 . Mageia 8's latest PHP update resolves critical vulnerabilities including improper password hash verification and potential denial of service threats.. Security Update, PHP Issues, Mageia 8 Advisory. . Severity: Critical. LinuxSecurity.com Team

Feb 27, 2023 •Critical Mageia