SB2019100110 - Heap-based buffer overflow in RSA BSAFE Micro Edition Suite
Published: October 1, 2019
Security Bulletin ID
SB2019100110
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Heap-based buffer overflow (CVE-ID: CVE-2019-3729)
CWE-ID: CWE-122 - Heap-based Buffer Overflow
CVSSv4: CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows an attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error when parsing ECDSA signature. An authenticated user with adjacent network access can trigger heap-based buffer overflow and cause a crash in the library of the affected system.
This vulnerability affects the following versions:
- RSA BSAFE Micro Edition Suite - versions prior to 4.4 (in 4.0.x, 4.1.x, 4.2.x and 4.3.x)
Remediation
Install update from vendor's website.