SB2017020215 - Stack-based buffer overflow in libevent (Alpine package)
Published: February 2, 2017
Security Bulletin ID
SB2017020215
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Stack-based buffer overflow (CVE-ID: CVE-2016-10196)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to boundary error in evutil_parse_sockaddr_port() function in evutil.c within libevent library before 2.1.6-beta. A remote attacker can trigger stack-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=fb29aea7b5093b746bf012e92b9fc65c967dfef6
- https://git.alpinelinux.org/aports/commit/?id=4c85a04d263a2e7f1e4bdf0f71287ab31734d04f
- https://git.alpinelinux.org/aports/commit/?id=99589481b5da0518d7bf8bf51364997e4fe6f851
- https://git.alpinelinux.org/aports/commit/?id=8b9e6e1ff866811f2c239901ce1e30c2887ee430
- https://git.alpinelinux.org/aports/commit/?id=3c80c2b8ba89beb95eac7b5c221a8c618eb084f3
- https://git.alpinelinux.org/aports/commit/?id=a2d8297fdbd08e8dcfc76244abd83ad49f3659cc