Out-of-bounds read - CVE-2019-12790
Published: June 10, 2019 / Updated: August 4, 2020
Vulnerability identifier: #VU33387
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-12790
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor:
Affected software:
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in In radare2 through 3.5.1, there is a heap-based buffer over-read in the r_egg_lang_parsechar function of egg_lang.c. This. A remote attacker can perform a denial of service (application crash) or possibly have unspecified other impact because of missing length validation in libr/egg/egg.c.
How to mitigate CVE-2019-12790
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
Sources
- https://github.com/radare/radare2/issues/14211
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IEXZWAMVKGZKHALV4IVWQS2ORJKRH57U/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SX4TLTE75VYUGSPYEKMYFPUZMRDIR7O2/