Resource exhaustion in libtASN1 - CVE-2018-6003
Published: January 29, 2018
Vulnerability identifier: #VU10323
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-6003
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: GNU
Affected software:
libtASN1
libtASN1
Detailed vulnerability description
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists in the _asn1_decode_simple_ber function in decoding.c in GNU Libtasn1. A remote attacker can trigger unlimited recursion in the BER decoder and stack exhaustion to cause the service to crash.
The weakness exists in the _asn1_decode_simple_ber function in decoding.c in GNU Libtasn1. A remote attacker can trigger unlimited recursion in the BER decoder and stack exhaustion to cause the service to crash.
How to mitigate CVE-2018-6003
Update to version 4.13 or later.