SB2020083131 - Ubuntu update for python-rsa
Published: August 31, 2020 Updated: April 23, 2025
Security Bulletin ID
SB2020083131
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use of a broken or risky cryptographic algorithm (CVE-ID: CVE-2020-13757)
The vulnerability allows a remote attacker to gain access to sensitive information on the target system.
The vulnerability exists due to the affected software does not detect ciphertext modification during decryption (prepended "0" bytes) in PKCS1_v1_5. A remote attacker gain access to sensitive information on the system.
Remediation
Install update from vendor's website.