CVE-2016-4544

The exif_process_TIFF_in_JPEG function in ext/exif/exif.c in PHP before 5.5.35, 5.6.x before 5.6.21, and 7.x before 7.0.6 does not validate TIFF start data, which allows remote attackers to cause a denial of service (out-of-bounds read) or possibly have unspecified other impact via crafted header data.

This update for php5 fixes the following issues:

Security issues fixed:

• CVE-2016-4346: heap overflow in ext/standard/string.c (bsc#977994)
• CVE-2016-4342: heap corruption in tar/zip/phar parser (bsc#977991)
• CVE-2016-4537, CVE-2016-4538: bcpowmod accepts negative scale causing heap buffer overflow corrupting one definition (bsc#978827)
• CVE-2016-4539: Malformed input causes segmentation fault in xml_parse_into_struct() function (bsc#978828)
• CVE-2016-4540, CVE-2016-4541: Out-of-bounds memory read in zif_grapheme_stripos when given negative offset (bsc#978829)
• CVE-2016-4542, CVE-2016-4543, CVE-2016-4544: Out-of-bounds heap memory read in exif_read_data() caused by malformed input (bsc#978830)
• CVE-2015-4116: Use-after-free vulnerability in the spl_ptr_heap_insert function (bsc#980366)
• CVE-2015-8873: Stack consumption vulnerability in Zend/zend_exceptions.c (bsc#980373)
• CVE-2015-8874: Stack consumption vulnerability in GD (bsc#980375)

This update for php53 fixes the following issues:

• CVE-2016-5093: A get_icu_value_internal out-of-bounds read could crash the php interpreter (bsc#982010)
• CVE-2016-5094,CVE-2016-5095: Don't allow creating strings with lengths outside int range, avoids overflows (bsc#982011,bsc#982012)
• CVE-2016-5096: A int/size_t confusion in fread could corrupt memory (bsc#982013)
• CVE-2016-5114: A fpm_log.c memory leak and buffer overflow could leak information out of the php process or overwrite a buffer by 1 byte (bsc#982162)
• CVE-2016-4346: A heap overflow was fixed in ext/standard/string.c (bsc#977994)
• CVE-2016-4342: A heap corruption was fixed in tar/zip/phar parser (bsc#977991)
• CVE-2016-4537, CVE-2016-4538: bcpowmod accepted negative scale causing heap buffer overflow corrupting one definition (bsc#978827)
• CVE-2016-4539: Malformed input causes segmentation fault in xml_parse_into_struct() function (bsc#978828)
• CVE-2016-4540, CVE-2016-4541: Out-of-bounds memory read in zif_grapheme_stripos when given negative offset (bsc#978829)
• CVE-2016-4542, CVE-2016-4543, CVE-2016-4544: Out-of-bounds heap memory read in exif_read_data() caused by malformed input (bsc#978830)
• CVE-2015-4116: Use-after-free vulnerability in the spl_ptr_heap_insert function (bsc#980366)
• CVE-2015-8873: Stack consumption vulnerability in Zend/zend_exceptions.c (bsc#980373)
• CVE-2015-8874: Stack consumption vulnerability in GD (bsc#980375)
• CVE-2015-8879: odbc_bindcols function in ext/odbc/php_odbc.c mishandles driver behavior for SQL_WVARCHAR (bsc#981050)

Also fixed previously on SUSE Linux Enterprise 11 SP4, but not yet shipped to SUSE Linux Enterprise Server 11 SP3 LTSS:

• CVE-2015-8838: mysqlnd was vulnerable to BACKRONYM (bnc#973792).
• CVE-2015-8835: SoapClient s_call method suffered from a type confusion issue that could have lead to crashes [bsc#973351]
• CVE-2016-2554: A NULL pointer dereference in phar_get_fp_offset could lead to crashes. [bsc#968284]
• CVE-2015-7803: A Stack overflow vulnerability when decompressing tar phar archives could potentially lead to code execution. [bsc#949961]
• CVE-2016-3141: A use-after-free / double-free in the WDDX deserialization could lead to crashes or potential code execution. [bsc#969821]
• CVE-2016-3142: An Out-of-bounds read in phar_parse_zipfile() could lead to crashes. [bsc#971912]
• CVE-2014-9767: A directory traversal when extracting zip files was fixed that could lead to overwritten files. [bsc#971612]
• CVE-2016-3185: A type confusion vulnerability in make_http_soap_request() could lead to crashes or potentially code execution. [bsc#971611]
• CVE-2016-4073: A remote attacker could have caused denial of service, or possibly execute arbitrary code, due to incorrect handling of string length calculations in mb_strcut() (bsc#977003)
• CVE-2015-8867: The PHP function openssl_random_pseudo_bytes() did not return cryptographically secure random bytes (bsc#977005)
• CVE-2016-4070: The libxml_disable_entity_loader() setting was shared between threads, which could have resulted in XML external entity injection and entity expansion issues (bsc#976997)
• CVE-2015-8866: A remote attacker could have caused denial of service due to incorrect handling of large strings in php_raw_url_encode() (bsc#976996)

This update for php53 to version 5.3.17 fixes the following issues:

These security issues were fixed:

• CVE-2016-5093: get_icu_value_internal out-of-bounds read (bnc#982010).
• CVE-2016-5094: Don't create strings with lengths outside int range (bnc#982011).
• CVE-2016-5095: Don't create strings with lengths outside int range (bnc#982012).
• CVE-2016-5096: int/size_t confusion in fread (bsc#982013).
• CVE-2016-5114: fpm_log.c memory leak and buffer overflow (bnc#982162).
• CVE-2015-8879: The odbc_bindcols function in ext/odbc/php_odbc.c in PHP mishandles driver behavior for SQL_WVARCHAR columns, which allowed remote attackers to cause a denial of service (application crash) in opportunistic circumstances by leveraging use of the odbc_fetch_array function to access a certain type of Microsoft SQL Server table (bsc#981050).
• CVE-2015-4116: Use-after-free vulnerability in the spl_ptr_heap_insert function in ext/spl/spl_heap.c in PHP allowed remote attackers to execute arbitrary code by triggering a failed SplMinHeap::compare operation (bsc#980366).
• CVE-2015-8874: Stack consumption vulnerability in GD in PHP allowed remote attackers to cause a denial of service via a crafted imagefilltoborder call (bsc#980375).
• CVE-2015-8873: Stack consumption vulnerability in Zend/zend_exceptions.c in PHP allowed remote attackers to cause a denial of service (segmentation fault) via recursive method calls (bsc#980373).
• CVE-2016-4540: The grapheme_stripos function in ext/intl/grapheme/grapheme_string.c in PHP allowed remote attackers to cause a denial of service (out-of-bounds read) or possibly have unspecified other impact via a negative offset (bsc#978829).
• CVE-2016-4541: The grapheme_strpos function in ext/intl/grapheme/grapheme_string.c in PHP allowed remote attackers to cause a denial of service (out-of-bounds read) or possibly have unspecified other impact via a negative offset (bsc#978829.
• CVE-2016-4542: The exif_process_IFD_TAG function in ext/exif/exif.c in PHP did not properly construct spprintf arguments, which allowed remote attackers to cause a denial of service (out-of-bounds read) or possibly have unspecified other impact via crafted header data (bsc#978830).
• CVE-2016-4543: The exif_process_IFD_in_JPEG function in ext/exif/exif.c in PHP did not validate IFD sizes, which allowed remote attackers to cause a denial of service (out-of-bounds read) or possibly have unspecified other impact via crafted header data (bsc#978830.
• CVE-2016-4544: The exif_process_TIFF_in_JPEG function in ext/exif/exif.c in PHP did not validate TIFF start data, which allowed remote attackers to cause a denial of service (out-of-bounds read) or possibly have unspecified other impact via crafted header data (bsc#978830.
• CVE-2016-4537: The bcpowmod function in ext/bcmath/bcmath.c in PHP accepted a negative integer for the scale argument, which allowed remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted call (bsc#978827).
• CVE-2016-4538: The bcpowmod function in ext/bcmath/bcmath.c in PHP modified certain data structures without considering whether they are copies of the zero, one, or two global variable, which allowed remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted call (bsc#978827).
• CVE-2016-4539: The xml_parse_into_struct function in ext/xml/xml.c in PHP allowed remote attackers to cause a denial of service (buffer under-read and segmentation fault) or possibly have unspecified other impact via crafted XML data in the second argument, leading to a parser level of zero (bsc#978828).
• CVE-2016-4342: ext/phar/phar_object.c in PHP mishandles zero-length uncompressed data, which allowed remote attackers to cause a denial of service (heap memory corruption) or possibly have unspecified other impact via a crafted (1) TAR, (2) ZIP, or (3) PHAR archive (bsc#977991).
• CVE-2016-4346: Integer overflow in the str_pad function in…

It was discovered that the PHP Fileinfo component incorrectly handled certain magic files. An attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 16.04 LTS. (CVE-2015-8865)

Hans Jerry Illikainen discovered that the PHP Zip extension incorrectly handled certain malformed Zip archives. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 16.04 LTS. (CVE-2016-3078)

It was discovered that PHP incorrectly handled invalid indexes in the SplDoublyLinkedList class. An attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 16.04 LTS. (CVE-2016-3132)

It was discovered that the PHP rawurlencode() function incorrectly handled large strings. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service. This issue only affected Ubuntu 16.04 LTS. (CVE-2016-4070)

It was discovered that the PHP php_snmp_error() function incorrectly handled string formatting. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 16.04 LTS. (CVE-2016-4071)

It was discovered that the PHP phar extension incorrectly handled certain filenames in archives. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 16.04 LTS. (CVE-2016-4072)

It was discovered that the PHP mb_strcut() function incorrectly handled string formatting. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 16.04 LTS. (CVE-2016-4073)

It was discovered that the PHP phar extension incorrectly handled certain archive files. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 12.04 LTS, Ubuntu 14.04 LTS and Ubuntu 15.10. (CVE-2016-4342, CVE-2016-4343)

It was discovered that the PHP bcpowmod() function incorrectly handled memory. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2016-4537, CVE-2016-4538)

It was discovered that the PHP XML parser incorrectly handled certain malformed XML data. A remote attacker could possibly use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2016-4539)

It was discovered that certain PHP grapheme functions incorrectly handled negative offsets. A remote attacker could possibly use this issue to cause PHP to crash, resulting in a denial of service. (CVE-2016-4540, CVE-2016-4541)

It was discovered that PHP incorrectly handled certain malformed EXIF tags. A remote attacker could possibly use this issue to cause PHP to crash, resulting in a denial of service. (CVE-2016-4542, CVE-2016-4543, CVE-2016-4544)