Date: Wed, 09 Jun 2021 23:11:00 +0200 From: Christophe JAILLET <jailletc36@...che.org> To: oss-security@...ts.openwall.com Subject: CVE-2020-35452: Apache httpd: mod_auth_digest possible stack overflow by one nul byte CVE-2020-35452: mod_auth_digest possible stack overflow by one nul byte Severity: low Vendor: The Apache Software Foundation Versions Affected: httpd 2.4.0 to 2.4.46 Description: Apache HTTP Server 2.4.0 to 2.4.46 A specially crafted Digest nonce can cause a stack overflow in mod_auth_digest. There is no report of this overflow being exploitable, nor the Apache HTTP Server team could create one, though some particular compiler and/or compilation option might make it possible, with limited consequences anyway due to the size (a single byte) and the value (zero byte) of the overflow Mitigation: None Credit: This issue was discovered and reported by GHSL team member @antonio-morales (Antonio Morales) References: https://httpd.apache.org/security/vulnerabilities_24.html
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