SB20170807103 - Integer overflow in varnish (Alpine package)
Published: August 7, 2017
Security Bulletin ID
SB20170807103
Severity
Medium
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 security vulnerability.
1) Integer overflow (CVE-ID: CVE-2017-12425)
The vulnerability allows a remote attacker to perform denial of service attack.
The vulnerability exists due to integer overflow when processing HTTP requests. A remote attacker can send a specially crafted HTTP request, trigger integer overflow and restart the caching server.
Successful exploitation of this vulnerability may allow an attacker to perform denial if service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=67b7be458895eb0d8faab3d9b232ec040e11ef26
- https://git.alpinelinux.org/aports/commit/?id=2fa274fe2c593821cb7d12715f6cd77210ee6348
- https://git.alpinelinux.org/aports/commit/?id=6de195054a46f2c336e6928317843c55e74fc1f0
- https://git.alpinelinux.org/aports/commit/?id=784f03748a63ed8dec1d2de19bde5e67779d674b
- https://git.alpinelinux.org/aports/commit/?id=7bd56d3d21028471bc6916a522fb6d369cafb692
- https://git.alpinelinux.org/aports/commit/?id=197458f95715a3d3cc12e0d91dbc9204d0363e30
- https://git.alpinelinux.org/aports/commit/?id=8b9aa79be80b56a3212696b17aee6af7d8b0c697
- https://git.alpinelinux.org/aports/commit/?id=93e7d3d075f512a131d626b06cc1b632720e9076
- https://git.alpinelinux.org/aports/commit/?id=9adf50a5484a229990c7270fdaf95aae93386760
- https://git.alpinelinux.org/aports/commit/?id=bd81d30ba09a68c75d606d4535b4dae565e701d7