SB2017110503 - Out-of-bounds read in openssl (Alpine package)
Published: November 5, 2017
Security Bulletin ID
SB2017110503
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2017-3735)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to perform spoofing attack.
The vulnerability exists due to one-byte out-of-bounds read when parsing an IPAddressFamily extension in an X.509 certificate. A remote attacker can disguise text display of the certificate.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=d2d350f8a099c9ed303f00888e05626662e5c7f6
- https://git.alpinelinux.org/aports/commit/?id=4a8e032821bd6376b9019298b0bea706aa7dd8d4
- https://git.alpinelinux.org/aports/commit/?id=5dc813213f30ce0dc4c05ef71bd1fecf0e03c6ed
- https://git.alpinelinux.org/aports/commit/?id=7acb0c2046e07d331c7d7ab9b1e2eb0c98a03187
- https://git.alpinelinux.org/aports/commit/?id=c57b41c34309ede6b832e2edc306f6ab14a5d78c