SB2017040909 - NULL pointer dereference in GNU Binutils
Published: April 9, 2017 Updated: July 28, 2020
Security Bulletin ID
SB2017040909
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2017-7614)
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
elflink.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.28, has a "member access within null pointer" undefined behavior issue, which might allow remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via an "int main() {return 0;}" program.
Remediation
Install update from vendor's website.