Out-of-bounds read - CVE-2019-12790

 

Out-of-bounds read - CVE-2019-12790

Published: June 10, 2019 / Updated: August 4, 2020


Vulnerability identifier: #VU33387
CSH Severity: Medium
CVSS v4: 8.4 [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]
CVE-ID: CVE-2019-12790
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

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.


Affected software

radare2 (Alpine package)
cutter-re
radare2
Fedora

How to mitigate CVE-2019-12790

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

radare2 (Alpine package) - update to 3.9.0-r0
cutter-re - addressed in versions 1.8.0-4.fc30, 1.8.3-1.fc30
radare2 - addressed in versions 3.6.0-1.el7, 3.6.0-1.fc29, 3.6.0-1.fc30

External References

Related Security Bulletins