Vulnerabilities > CVE-2019-19590 - Use After Free vulnerability in Radare Radare2
Attack vector
LOCAL Attack complexity
LOW Privileges required
NONE Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
In radare2 through 4.0, there is an integer overflow for the variable new_token_size in the function r_asm_massemble at libr/asm/asm.c. This integer overflow will result in a Use-After-Free for the buffer tokens, which can be filled with arbitrary malicious data after the free. This allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via crafted input.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
Nessus
NASL family Fedora Local Security Checks NASL id FEDORA_2020-4A3FF78BA5.NASL description Rebase to radare2-4.2.1 and cutter-re 1.10.1. It fixes CVE-2019-19590 and CVE-2019-19547. It also fix a problem in cutter-re that did not display the window icon on Wayland. Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues. last seen 2020-06-01 modified 2020-06-02 plugin id 133703 published 2020-02-14 reporter This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/133703 title Fedora 30 : cutter-re / radare2 (2020-4a3ff78ba5) NASL family Fedora Local Security Checks NASL id FEDORA_2020-ACD8CDB08D.NASL description Rebase to radare2-4.2.1 and cutter-re 1.10.1. It fixes CVE-2019-19590 and CVE-2019-19547. It also fix a problem in cutter-re that did not display the window icon on Wayland. Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues. last seen 2020-06-01 modified 2020-06-02 plugin id 133705 published 2020-02-14 reporter This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/133705 title Fedora 31 : cutter-re / radare2 (2020-acd8cdb08d)
References
- https://github.com/radareorg/radare2/issues/15543
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YQTOWEDFXDTGTD6D4NHRB4FUURQSTTEN/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WRQXCOVFWZIIMAZIAAFAVQGZOS7LGHXP/