CVE-2018-3837

An exploitable information disclosure vulnerability exists in the PCX image rendering functionality of Simple DirectMedia Layer SDL2_image-2.0.2. A specially crafted PCX image can cause an out-of-bounds read on the heap, resulting in information disclosure . An attacker can display a specially crafted image to trigger this vulnerability.

An exploitable information disclosure vulnerability exists in the PCX image rendering functionality of Simple DirectMedia Layer SDL2_image-2.0.2. A specially crafted PCX image can cause an out-of-bounds read on the heap, resulting in information disclosure . An attacker can display a specially crafted image to trigger this vulnerability.

Multiple vulnerabilities have been discovered in the image loading library for Simple DirectMedia Layer 1.2, which could result in denial of service or the execution of arbitrary code if malformed image files are opened (CVE-2017-12122, CVE-2017-14440, CVE-2017-14441, CVE-2017-14442, CVE-2017-14448, CVE-2017-14450, CVE-2018-3837, CVE-2018-3838, CVE-2018-3839).

This update fixes various security vulnerabilities affecting the SDL2_image library, listed below. The fixes are provided in SDL2_image 2.0.4, which depends on SDL2 2.0.8 or later. As such, the SDL2 and SDL2_mixer libraries are also updated to their current stable releases, providing various bug fixes and features.

The security vulnerabilities fixed in this update are the following:

An exploitable code execution vulnerability exists in the ILBM image rendering functionality of SDL2_image-2.0.2. A specially crafted ILBM image can cause a heap overflow resulting in code execution. An attacker can display a specially crafted image to trigger this vulnerability. (TALOS-2017-0488, CVE-2017-12122)

An exploitable code execution vulnerability exists in the ILBM image rendering functionality of SDL2_image-2.0.2. A specially crafted ILBM image can cause a stack overflow resulting in code execution. An attacker can display a specially crafted image to trigger this vulnerability. (TALOS-2017-0489, CVE-2017-14440)

An exploitable code execution vulnerability exists in the ICO image rendering functionality of SDL2_image-2.0.2. A specially crafted ICO image can cause an integer overflow, cascading to a heap overflow resulting in code execution. An attacker can display a specially crafted image to trigger this vulnerability. (TALOS-2017-0490, CVE-2017-14441)

An exploitable code execution vulnerability exists in the BMP image rendering functionality of SDL2_image-2.0.2. A specially crafted BMP image can cause a stack overflow resulting in code execution. An attacker can display a specially crafted image to trigger this vulnerability. (TALOS-2017-0491, CVE-2017-14442)

An exploitable code execution vulnerability exists in the XCF image rendering functionality of SDL2_image-2.0.2. A specially crafted XCF image can cause a heap overflow resulting in code execution. An attacker can display a specially crafted image to trigger this vulnerability. (TALOS-2017-0497, CVE-2017-14448)

A double-Free vulnerability exists in the XCF image rendering functionality of SDL2_image-2.0.2. A specially crafted XCF image can cause a Double-Free situation to occur. An attacker can display a specially crafted image to trigger this vulnerability. (TALOS-2017-0498, CVE-2017-14449)

A buffer overflow vulnerability exists in the GIF image parsing functionality of SDL2_image-2.0.2. A specially crafted GIF image can lead to a buffer overflow on a global section. An attacker can display an image to trigger this vulnerability. (TALOS-2017-0499, CVE-2017-14450)

An exploitable information disclosure vulnerability exists in the PCX image rendering functionality of SDL2_image-2.0.2. A specially crafted PCX image can cause an out-of-bounds read on the heap, resulting in information disclosure. An attacker can display a specially crafted image to trigger this vulnerability. (TALOS-2018-0519, CVE-2018-3837)

An exploitable information vulnerability exists in the XCF image rendering functionality of SDL2_image-2.0.2. A specially crafted XCF image can cause an out-of-bounds read on the heap, resulting in information disclosure. An attacker can display a specially crafted image to trigger this vulnerability. (TALOS-2018-0520, CVE-2018-3838)

An exploitable code execution vulnerability exists in the XCF image rendering functionality of SDL2_image-2.0.2. A specially crafted XCF image can cause an out-of-bounds write on the heap, resulting in code execution. An attacker can display a specially crafted image to trigger this vulnerability. (TALOS-2018-0521, CVE-2018-3839)

An exploitable code execution vulnerability exists in the XCF image rendering functionality of SDL2_image-2.0.3. A specially crafted XCF image can cause a heap overflow, resulting in code execution. An attacker can display a specially crafted image to trigger this vulnerability. (TALOS-2018-0645, CVE-2018-3977)