SB2019122644 - Heap-based out-of-bounds read in elfutils (Alpine package)
Published: December 26, 2019
Security Bulletin ID
SB2019122644
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Heap-based out-of-bounds read (CVE-ID: CVE-2019-7149)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper handling of Executable and Linkable Format (ELF) files by the read_srclines function, as defined in the dwarf_getsrclines.c source code file. A remote attacker can trick the victim into opening a specially crafted an ELF file that submits malicious input, trigger a heap-based buffer over-read condition and cause the affected application to crash, resulting in a DoS condition.
Remediation
Install update from vendor's website.