SB2015031107 - Information disclosure in putty (Alpine package)
Published: March 11, 2015
Security Bulletin ID
SB2015031107
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Information disclosure (CVE-ID: CVE-2015-2157)
The vulnerability allows a local non-authenticated attacker to gain access to sensitive information.
The (1) ssh2_load_userkey and (2) ssh2_save_userkey functions in PuTTY 0.51 through 0.63 do not properly wipe SSH-2 private keys from memory, which allows local users to obtain sensitive information by reading the memory.
Remediation
Install update from vendor's website.