SB2016092237 - Denial of service in openssl (Alpine package)
Published: September 22, 2016
Security Bulletin ID
SB2016092237
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) Denial of service (CVE-ID: CVE-2016-6304)
CWE-ID: CWE-400 - Resource exhaustion
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/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 unauthenticated user to cause DoS conditions on the target system.
The weakness is due to insufficient validation of input length. By sending messages with excessive length attackers can cause resource exhaustion that leads to denial of service
Successful exploitation of the vulnerability allows a malicious user to trigger the vulnerable service to deny.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=4a8e032821bd6376b9019298b0bea706aa7dd8d4
- https://git.alpinelinux.org/aports/commit/?id=c57b41c34309ede6b832e2edc306f6ab14a5d78c
- https://git.alpinelinux.org/aports/commit/?id=3e8e66af8eb57c1dc45545c6ad7ad09d2ad1bc8c
- https://git.alpinelinux.org/aports/commit/?id=3a3ffbd8e2b0a4b3e1b8fcf62f913a691bb4dae4
- https://git.alpinelinux.org/aports/commit/?id=3cd2cd34c2859d94c7cfa8bfd46c5ac71b26893e
- https://git.alpinelinux.org/aports/commit/?id=a38f0ddf93adc4fd2f8255cbd1c94ab704b007ac