SB2014032502 - Amazon Linux AMI update for php55
Published: March 25, 2014
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 4 secuirty vulnerabilities.
1) Resource exhaustion (CVE-ID: CVE-2014-1943)
The vulnerability allows a local attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to infinite recursion when insufficient validation of user-supplied input. A local attacker can trigger CPU consumption and cause the service to crash.
2) NULL pointer dereference (CVE-ID: CVE-2013-7327)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error when the gdImageCrop function in ext/gd/gd.c in PHP 5.5.x before 5.5.9 does not check return value. A remote attacker can trigger NULL pointer dereference via invalid imagecrop arguments and cause the service to crash.
3) Out-of-bounds read (CVE-ID: CVE-2014-2270)
The vulnerability allows a remote attacker to cause DoS condition.
The vulnerability exists due to out-of-bounds read error in softmagic.c in file before 5.17 and libmagic. A remote attacker can trigger out-of-bounds read error via crafted offsets in the softmagic of a PE executable and cause the service to crash.
4) Heap-based buffer overflow (CVE-ID: CVE-2013-7226)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to integer overflow in the gdImageCrop function in ext/gd/gd.c in PHP 5.5.x before 5.5.9. A remote attacker can use an imagecrop function call with a large x dimension value to trigger heap-based buffer overflow and 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.