SB2016050507 - Buffer Over-read in OpenSSL
Published: May 5, 2016 Updated: January 13, 2017
Security Bulletin ID
SB2016050507
CSH Severity
Low
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 vulnerability.
1) Buffer Over-read (CVE-ID: CVE-2016-2176)
CWE-ID: CWE-126 - Buffer over-read
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote to cause buffer over-read on the target system.
The weakness exists due to overread in applications using the X509_NAME_oneline() function on EBCDIC systems. The vulnerability leads to arbitrary stack data return to the buffer.
Successful exploitation of the weakness results in buffer over-read on the vulnerable system.
Remediation
Install update from vendor's website.
References
- https://www.openssl.org/news/secadv/20160503.txt
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html
- http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
- https://support.apple.com/cs-cz/HT206903