The cdf_count_chain function in cdf.c in file before 5.19, as used in the Fileinfo component in PHP before 5.4.30 and 5.5.x before 5.5.14, does not properly validate sector-count data, which allows remote attackers to cause a denial of service (application crash) via a crafted CDF file.

The cdf_count_chain function in cdf.c in file before 5.19, as used in the Fileinfo component in PHP before 5.4.30 and 5.5.x before 5.5.14, does not properly validate sector-count data, which allows remote attackers to cause a denial of service (application crash) via a crafted CDF file.

file: out of bounds read in CDF parser php: heap-based buffer over-read in DateInterval file: cdf_unpack_summary_info() excessive looping DoS file: CDF property info parsing nelements infinite loop file: unrestricted recursion in handling of indirect type rules file: out-of-bounds access in search rules with offsets from input file file: cdf_check_stream_offset insufficient boundary check file: cdf_count_chain insufficient boundary check php: unserialize() SPL ArrayObject / SPLObjectStorage type confusion flaw php: heap-based buffer overflow in DNS TXT record parsing php: type confusion issue in phpinfo() leading to information leak

file: extensive backtracking in awk rule regular expression file: cdf_read_short_sector insufficient boundary check file: cdf_unpack_summary_info() excessive looping DoS file: CDF property info parsing nelements infinite loop file: cdf_check_stream_offset insufficient boundary check file: cdf_count_chain insufficient boundary check file: cdf_read_property_info insufficient boundary check php: unserialize() SPL ArrayObject / SPLObjectStorage type confusion flaw php: heap-based buffer overflow in DNS TXT record parsing php: type confusion issue in phpinfo() leading to information leak

Security update for php53

Affected: Ubuntu:14.04:LTS: file, Ubuntu:14.04:LTS: php5

The cdf_count_chain function in cdf.c in file before 5.19, as used in the Fileinfo component in PHP before 5.4.30 and 5.5.x before 5.5.14, does not properly validate sector-count data, which allows remote attackers to cause a denial of service (application crash) via a crafted CDF file.