SB2014062308 - Heap-based buffer overflow in php (Alpine package)
Published: June 23, 2014
Security Bulletin ID
SB2014062308
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) Heap-based buffer overflow (CVE-ID: CVE-2014-4049)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to heap-based buffer overflow in the php_parserr function in ext/standard/dns.c. A remote attacker can trigger memory corruption via a crafted DNS TXT record, related to the dns_get_record 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=e247928fe478b2b12793939c54a70ec54aecc56d
- https://git.alpinelinux.org/aports/commit/?id=a6771ebaef1a719ed7d4eb28018ed00b67a61f06
- https://git.alpinelinux.org/aports/commit/?id=dcee4cf33c4ab66afecc711d4fad9c871046bd4c
- https://git.alpinelinux.org/aports/commit/?id=fec747b9906380f6b5bc0cb26a8f387014b81b72