SB2014090111 - Buffer overflow in php (Alpine package)

Description

This security bulletin contains information about 1 security vulnerability.

1) Buffer overflow (CVE-ID: CVE-2014-3597)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to multiple buffer overflows in the php_parserr function in ext/standard/dns.c in PHP before 5.4.32 and 5.5.x before 5.5.16. A remote attacker can trigger memory corruption via a crafted DNS record, related to the dns_get_record function and the dn_expand function and cause the service to crash or execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Remediation

Install update from vendor's website.

References

• https://git.alpinelinux.org/aports/commit/?id=e43d903639e7be758857809128fee4f9c3d6f95f
• https://git.alpinelinux.org/aports/commit/?id=c185e52d06208049c6776f7e80cd0bc81bfbb1f2