Out-of-bounds read in libtomcrypt - CVE-2019-17362

 

Out-of-bounds read in libtomcrypt - CVE-2019-17362

Published: November 10, 2019


Vulnerability identifier: #VU22616
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2019-17362
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: LibTom
Affected software:
libtomcrypt

Detailed vulnerability description

The vulnerability allows a remote attacker to perform a denial of service (DoS) atttack.

The vulnerability exists due to a boundary condition within the der_decode_utf8_string() function in der_decode_utf8_string.c file in LibTomCrypt. A remote attacker can pass to the application specially crafted DER-encoded data, trigger out-of-bounds read error and cause application crash.


How to mitigate CVE-2019-17362

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

Sources