Arch Linux Security Advisory ASA-202103-24 ========================================== Severity: High Date : 2021-03-25 CVE-ID : CVE-2020-27918 CVE-2020-29623 CVE-2021-1765 CVE-2021-1789 CVE-2021-1799 CVE-2021-1801 CVE-2021-1870 Package : webkit2gtk Type : multiple issues Remote : Yes Link : https://security.archlinux.org/AVG-1721 Summary ======= The package webkit2gtk before version 2.30.6-1 is vulnerable to multiple issues including arbitrary code execution, access restriction bypass, information disclosure and sandbox escape. Resolution ========== Upgrade to 2.30.6-1. # pacman -Syu "webkit2gtk>=2.30.6-1" The problems have been fixed upstream in version 2.30.6. Workaround ========== None. Description =========== - CVE-2020-27918 (arbitrary code execution) A security issue was discovered in WebKitGTK before 2.30.6 and WPE WebKit before 2.30.6. Processing maliciously crafted web content may lead to arbitrary code execution. - CVE-2020-29623 (information disclosure) A security issue was discovered in WebKitGTK before 2.30.6 and WPE WebKit before 2.30.6. “Clear History and Website Data” did not clear the history in some circumstances. - CVE-2021-1765 (sandbox escape) A security issue was discovered in WebKitGTK before 2.30.6 and WPE WebKit before 2.30.6. Maliciously crafted web content may violate iframe sandboxing policy. - CVE-2021-1789 (arbitrary code execution) A security issue was discovered in WebKitGTK before 2.30.6 and WPE WebKit before 2.30.6. Processing maliciously crafted web content may lead to arbitrary code execution. - CVE-2021-1799 (access restriction bypass) A security issue was discovered in WebKitGTK before 2.30.6 and WPE WebKit before 2.30.6. A malicious website may be able to access restricted ports on arbitrary servers. - CVE-2021-1801 (sandbox escape) A security issue was discovered in WebKitGTK before 2.30.6 and WPE WebKit before 2.30.6. Maliciously crafted web content may violate iframe sandboxing policy. - CVE-2021-1870 (arbitrary code execution) A security issue was discovered in WebKitGTK before 2.30.6 and WPE WebKit before 2.30.6. A remote attacker may be able to cause arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited. Impact ====== A remote attacker is able to use maliciously crafted web content to execute arbitrary code or violate the iframe policy. A malicious server could access restricted ports. References ========== https://webkitgtk.org/security/WSA-2021-0002.html#CVE-2020-27918 https://webkitgtk.org/security/WSA-2021-0002.html#CVE-2020-29623 https://webkitgtk.org/security/WSA-2021-0002.html#CVE-2021-1765 https://webkitgtk.org/security/WSA-2021-0002.html#CVE-2021-1789 https://webkitgtk.org/security/WSA-2021-0002.html#CVE-2021-1799 https://webkitgtk.org/security/WSA-2021-0002.html#CVE-2021-1801 https://webkitgtk.org/security/WSA-2021-0002.html#CVE-2021-1870 https://security.archlinux.org/CVE-2020-27918 https://security.archlinux.org/CVE-2020-29623 https://security.archlinux.org/CVE-2021-1765 https://security.archlinux.org/CVE-2021-1789 https://security.archlinux.org/CVE-2021-1799 https://security.archlinux.org/CVE-2021-1801 https://security.archlinux.org/CVE-2021-1870