SB2019052231 - Integer overflow in curl (Alpine package)
Published: May 22, 2019
Security Bulletin ID
SB2019052231
Severity
Medium
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) Integer overflow (CVE-ID: CVE-2019-5435)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to integer overflow in curl_url_set() function on 32-bit systems. A remote attacker can pass an overly long URL to the affected application, trigger integer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=1c04cce7036cdb842535ee6ad5f944794fc04c74
- https://git.alpinelinux.org/aports/commit/?id=5b3d6caf5ec2dd362978aa3e81badf606daa76ef
- https://git.alpinelinux.org/aports/commit/?id=f4c02c83cf9d1a3f4bbb31b4a9dfd48e58a1fbca
- https://git.alpinelinux.org/aports/commit/?id=f8e74ed5d486b34f474038f07979498dba33a6f1