CVE-2016-10166

Integer underflow in the _gdContributionsAlloc function in gd_interpolation.c in the GD Graphics Library (aka libgd) before 2.2.4 allows remote attackers to have unspecified impact via vectors related to decrementing the u variable.

Integer underflow in the _gdContributionsAlloc function in gd_interpolation.c in the GD Graphics Library (aka libgd) before 2.2.4 allows remote attackers to have unspecified impact via vectors related to decrementing the u variable.

OOB reads of the TGA decompression buffer (CVE-2016-6906).

Double-free in gdImageWebPtr() (CVE-2016-6912).

gdImageCreate() doesn't check for oversized images and as such is prone to DoS vulnerabilities (CVE-2016-9317).

Potential unsigned underflow in gd_interpolation.c (CVE-2016-10166).

DOS vulnerability in gdImageCreateFromGd2Ctx() (CVE-2016-10167).

Signed Integer Overflow gd_io.c (CVE-2016-10168).

These are all security issues fixed in the gd-2.3.3-1.1 package on the GA media of openSUSE Tumbleweed.

This update for gd fixes the following security issues:

• CVE-2016-6906: An out-of-bounds read in TGA decompression was fixed which could have lead to crashes. (bsc#1022553)
• CVE-2016-6912: Double free vulnerability in the gdImageWebPtr function in the GD Graphics Library (aka libgd) allowed remote attackers to have unspecified impact via large width and height values. (bsc#1022284)
• CVE-2016-9317: The gdImageCreate function in the GD Graphics Library (aka libgd) allowed remote attackers to cause a denial of service (system hang) via an oversized image. (bsc#1022283)
• CVE-2016-10166: A potential unsigned underflow in gd interpolation functions could lead to memory corruption in the GD Graphics Library (aka libgd) (bsc#1022263)
• CVE-2016-10167: A denial of service problem in gdImageCreateFromGd2Ctx() could lead to libgd running out of memory even on small files. (bsc#1022264)
• CVE-2016-10168: A signed integer overflow in the GD Graphics Library (aka libgd) could lead to memory corruption (bsc#1022265)

This update for php7 fixes the following security issues:

• CVE-2016-7480: The SplObjectStorage unserialize implementation in ext/spl/spl_observer.c in PHP did not verify that a key is an object, which allowed remote attackers to execute arbitrary code or cause a denial of service (uninitialized memory access) via crafted serialized data. (bsc#1019568)
• CVE-2017-5340: Zend/zend_hash.c in PHP mishandled certain cases that require large array allocations, which allowed remote attackers to execute arbitrary code or cause a denial of service (integer overflow, uninitialized memory access, and use of arbitrary destructor function pointers) via crafted serialized data. (bsc#1019570)
• CVE-2016-7479: In all versions of PHP 7, during the unserialization process, resizing the 'properties' hash table of a serialized object may have lead to use-after-free. A remote attacker may exploit this bug to gain arbitrary code execution. (bsc#1019547)
• CVE-2016-7478: Zend/zend_exceptions.c in PHP allowed remote attackers to cause a denial of service (infinite loop) via a crafted Exception object in serialized data, a related issue to CVE-2015-8876. (bsc#1019550)
• CVE-2016-10159: Integer overflow in the phar_parse_pharfile function in ext/phar/phar.c in PHP allowed remote attackers to cause a denial of service (memory consumption or application crash) via a truncated manifest entry in a PHAR archive. (bsc#1022255)
• CVE-2016-10160: Off-by-one error in the phar_parse_pharfile function in ext/phar/phar.c in PHP allowed remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via a crafted PHAR archive with an alias mismatch. (bsc#1022257)
• CVE-2016-10161: The object_common1 function in ext/standard/var_unserializer.c in PHP allowed remote attackers to cause a denial of service (buffer over-read and application crash) via crafted serialized data that is mishandled in a finish_nested_data call. (bsc#1022260)
• CVE-2016-10162: The php_wddx_pop_element function in ext/wddx/wddx.c in PHP 7 allowed remote attackers to cause a denial of service (NULL pointer dereference and application crash) via an inapplicable class name in a wddxPacket XML document, leading to mishandling in a wddx_deserialize call. (bsc#1022262)
• CVE-2016-10166: A potential unsigned underflow in gd interpolation functions could lead to memory corruption in the PHP gd module (bsc#1022263)
• CVE-2016-10167: A denial of service problem in gdImageCreateFromGd2Ctx() could lead to php out of memory even on small files. (bsc#1022264)
• CVE-2016-10168: A signed integer overflow in the gd module could lead to memory corruption (bsc#1022265)
• CVE-2016-9138: PHP mishandled property modification during __wakeup processing, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via crafted serialized data, as demonstrated by Exception::__toString with DateInterval::__wakeup. (bsc#1008026)

This update for php5 fixes the following issues:

• CVE-2016-7478: When unserializing untrusted input data, PHP could end up in an infinite loop, causing denial of service (bsc#1019550)
• CVE-2016-10158: The exif_convert_any_to_int function in ext/exif/exif.c in PHP allowed remote attackers to cause a denial of service (application crash) via crafted EXIF data that triggers an attempt to divide the minimum representable negative integer by -1. (bsc#1022219)
• CVE-2016-10159: Integer overflow in the phar_parse_pharfile function in ext/phar/phar.c in PHP allowed remote attackers to cause a denial of service (memory consumption or application crash) via a truncated manifest entry in a PHAR archive. (bsc#1022255)
• CVE-2016-10160: Off-by-one error in the phar_parse_pharfile function in ext/phar/phar.c in PHP allowed remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via a crafted PHAR archive with an alias mismatch. (bsc#1022257)
• CVE-2016-10161: The object_common1 function in ext/standard/var_unserializer.c in PHP allowed remote attackers to cause a denial of service (buffer over-read and application crash) via crafted serialized data that is mishandled in a finish_nested_data call. (bsc#1022260)
• CVE-2016-10166: A potential unsigned underflow in gd interpolation functions could lead to memory corruption in the PHP gd module (bsc#1022263)
• CVE-2016-10167: A denial of service problem in gdImageCreateFromGd2Ctx() could lead to php out of memory even on small files. (bsc#1022264)
• CVE-2016-10168: A signed integer overflow in the gd module could lead to memory corruption (bsc#1022265)

This update for php53 fixes the following security issues:

• CVE-2016-7478: When unserializing untrusted input data, PHP could end up in an infinite loop, causing denial of service (bsc#1019550)
• CVE-2016-10158: The exif_convert_any_to_int function in ext/exif/exif.c in PHP allowed remote attackers to cause a denial of service (application crash) via crafted EXIF data that triggers an attempt to divide the minimum representable negative integer by -1. (bsc#1022219)
• CVE-2016-10159: Integer overflow in the phar_parse_pharfile function in ext/phar/phar.c in PHP allowed remote attackers to cause a denial of service (memory consumption or application crash) via a truncated manifest entry in a PHAR archive. (bsc#1022255)
• CVE-2016-10160: Off-by-one error in the phar_parse_pharfile function in ext/phar/phar.c in PHP allowed remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via a crafted PHAR archive with an alias mismatch. (bsc#1022257)
• CVE-2016-10161: The object_common1 function in ext/standard/var_unserializer.c in PHP allowed remote attackers to cause a denial of service (buffer over-read and application crash) via crafted serialized data that is mishandled in a finish_nested_data call. (bsc#1022260)
• CVE-2016-10166: A potential unsigned underflow in gd interpolation functions could lead to memory corruption in the PHP gd module (bsc#1022263)
• CVE-2016-10167: A denial of service problem in gdImageCreateFromGd2Ctx() could lead to php out of memory even on small files. (bsc#1022264)
• CVE-2016-10168: A signed integer overflow in the gd module could lead to memory corruption (bsc#1022265)

Stefan Esser discovered that the GD library incorrectly handled memory when processing certain images. If a user or automated system were tricked into processing a specially crafted image, an attacker could cause a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu 16.10. (CVE-2016-10166)

It was discovered that the GD library incorrectly handled certain malformed images. If a user or automated system were tricked into processing a specially crafted image, an attacker could cause a denial of service. (CVE-2016-10167)

It was discovered that the GD library incorrectly handled certain malformed images. If a user or automated system were tricked into processing a specially crafted image, an attacker could cause a denial of service, or possibly execute arbitrary code. (CVE-2016-10168)

Ibrahim El-Sayed discovered that the GD library incorrectly handled certain malformed TGA images. If a user or automated system were tricked into processing a specially crafted TGA image, an attacker could cause a denial of service. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu 16.10. (CVE-2016-6906)

Ibrahim El-Sayed discovered that the GD library incorrectly handled certain malformed WebP images. If a user or automated system were tricked into processing a specially crafted WebP image, an attacker could cause a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu 16.10. (CVE-2016-6912)

It was discovered that the GD library incorrectly handled creating oversized images. If a user or automated system were tricked into creating a specially crafted image, an attacker could cause a denial of service. (CVE-2016-9317)

It was discovered that the GD library incorrectly handled filling certain images. If a user or automated system were tricked into filling an image, an attacker could cause a denial of service. (CVE-2016-9933)