SB2015021910 - Fedora 21 update for php
Published: February 19, 2015 Updated: April 24, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Use-after-free error (CVE-ID: CVE-2015-0273)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to multiple use-after-free vulnerabilities in ext/date/php_date.c in PHP before 5.4.38, 5.5.x before 5.5.22, and 5.6.x before 5.6.6. A remote attacker can trigger memory corruption via crafted serialized input containing a (1) R or (2) r type specifier in (a) DateTimeZone data handled by the php_date_timezone_initialize_from_hash function or (b) DateTime data handled by the php_date_initialize_from_hash function and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
2) Out-of-bounds write (CVE-ID: CVE-2015-0235)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to heap-based buffer overflow in the __nss_hostname_digits_dots function in glibc. A remote attacker can execute arbitrary code via vectors related to the (1) gethostbyname or (2) gethostbyname2 function.
Remediation
Install update from vendor's website.