SB2019042216 - Integer overflow in python3 (Alpine package)
Published: April 22, 2019
Security Bulletin ID
SB2019042216
CSH 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 vulnerability.
1) Integer overflow (CVE-ID: CVE-2018-20406)
CWE-ID: CWE-190 - Integer overflow
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to perform denial of service (DoS) attack.
The vulnerability exists due to integer overflow in modules/_pickle.c when processing a large LONG_BINPUT value during the "resize to twice the size" attempt. A remote attacker can supply overly large data, trigger integer overflow and exhaust all resources on the system.
Remediation
Install update from vendor's website.