Описание
Stack consumption vulnerability in the gdImageFillToBorder function in gd.c in the GD Graphics Library (aka libgd) before 2.2.2, as used in PHP before 5.6.28 and 7.x before 7.0.13, allows remote attackers to cause a denial of service (segmentation violation) via a crafted imagefilltoborder call that triggers use of a negative color value.
Пакеты
| Пакет | Статус | Версия исправления | Релиз | Тип |
|---|---|---|---|---|
| libgd2 | fixed | 2.2.2-29-g3c2b605-1 | package | |
| php7.0 | fixed | 7.0.13-1 | package | |
| php5 | removed | package |
Примечания
This problem could be seen as a programmer fault but the fix is easy and
the effect is rather dramatic so it should be fixed anyway.
https://github.com/libgd/libgd/commit/77f619d48259383628c3ec4654b1ad578e9eb40e (gd-2.2.2)
Scope of CVE is only the missing "color < 0" test in older versions.
GD release info: https://libgd.github.io/release-2.2.2.html
Fixed in PHP 5.6.28, 7.0.13 and 7.1.0
PHP Bug: https://bugs.php.net/bug.php?id=72696
Fixed by: https://github.com/php/php-src/commit/863d37ea66d5c960db08d6f4a2cbd2518f0f80d1
Starting with 5.4.0-1 Debian uses the system copy of libgd
https://www.openwall.com/lists/oss-security/2016/12/12/2
Связанные уязвимости
Stack consumption vulnerability in the gdImageFillToBorder function in gd.c in the GD Graphics Library (aka libgd) before 2.2.2, as used in PHP before 5.6.28 and 7.x before 7.0.13, allows remote attackers to cause a denial of service (segmentation violation) via a crafted imagefilltoborder call that triggers use of a negative color value.
Stack consumption vulnerability in the gdImageFillToBorder function in gd.c in the GD Graphics Library (aka libgd) before 2.2.2, as used in PHP before 5.6.28 and 7.x before 7.0.13, allows remote attackers to cause a denial of service (segmentation violation) via a crafted imagefilltoborder call that triggers use of a negative color value.
Stack consumption vulnerability in the gdImageFillToBorder function in gd.c in the GD Graphics Library (aka libgd) before 2.2.2, as used in PHP before 5.6.28 and 7.x before 7.0.13, allows remote attackers to cause a denial of service (segmentation violation) via a crafted imagefilltoborder call that triggers use of a negative color value.
