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ArchLinux: 201908-19 Critical Advisory: Pigeonhole Arbitrary Code Execution

The package pigeonhole before version 0.5.7.2-1 is vulnerable to arbitrary code execution. . Arch Linux Security Advisory ASA-201908-19 ========================================= Severity: Critical Date : 2019-08-28 CVE-ID : CVE-2019-11500 Package : pigeonhole Type : arbitrary code execution Remote : Yes Link : https://security.archlinux.org/AVG-1027 Summary ====== The package pigeonhole before version 0.5.7.2-1 is vulnerable to arbitrary code execution. Resolution ========= Upgrade to 0.5.7.2-1. # pacman -Syu "pigeonhole> =0.5.7.2-1" The problem has been fixed upstream in version 0.5.7.2. Workaround ========= None. Description ========== IMAP and ManageSieve protocol parsers in Dovecot before 2.3.7.2 and Pigeonhole before 0.5.7.2 do not properly handle NUL byte when scanning data in quoted strings, leading to out of bounds heap memory writes. Impact ===== A remote, unauthenticated attacker can access sensitive information or execute arbitrary code on the affected host via a crafted ManageSieve command. References ========= https://dovecot.org/pipermail/dovecot-news/2019-August/000417.html https://dovecot.org/pipermail/dovecot-news/2019-August/000418.html https://github.com/dovecot/core/commit/85fcb895ca7f0bcb8ee72047fe0e1e78532ff90b https://github.com/dovecot/core/commit/f904cbdfec25582bc5e2a7435bf82ff769f2526a https://github.com/dovecot/pigeonhole/commit/7ce9990a5e6ba59e89b7fe1c07f574279aed922c https://github.com/dovecot/pigeonhole/commit/4a299840cdb51f61f8d1ebc0210b19c40dfbc1cc https://security.archlinux.org/CVE-2019-11500 . Arch Linux Security Advisory ASA-201908-19 highlights a critical arbitrary code execution issue in the pigeonhole package.. Arbitrary Code Execution, ArchLinux Security, Pigeonhole Package. . Severity: Critical. LinuxSecurity.com Team

Aug 29, 2019 •Critical ArchLinux