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.

The remote Ubuntu 16.04 LTS / 18.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4238-1 advisory.

    It was discovered that SDL_image incorrectly handled certain image files. An attacker could possibly use     this issue to cause a denial of service or other unspecified impact.

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The following issues have been found in sdl-image1.2, the 1.x version of the image file loading library.

CVE-2018-3977

Heap buffer overflow in IMG_xcf.c. This vulnerability might be leveraged by remote attackers to cause remote code execution or denial of service via a crafted XCF file.

CVE-2019-5051

Heap based buffer overflow in IMG_LoadPCX_RW, in IMG_pcx.c. This vulnerability might be leveraged by remote attackers to cause remote code execution or denial of service via a crafted PCX file.

CVE-2019-5052

Integer overflow and subsequent buffer overflow in IMG_pcx.c. This vulnerability might be leveraged by remote attackers to cause remote code execution or denial of service via a crafted PCX file.

CVE-2019-7635

Heap buffer overflow affecting Blit1to4, in IMG_bmp.c. This vulnerability might be leveraged by remote attackers to cause denial of service or any other unspecified impact via a crafted BMP file.

CVE-2019-12216, CVE-2019-12217, CVE-2019-12218, CVE-2019-12219, CVE-2019-12220, CVE-2019-12221, CVE-2019-12222

Multiple out-of-bound read and write accesses affecting IMG_LoadPCX_RW, in IMG_pcx.c. These vulnerabilities might be leveraged by remote attackers to cause denial of service or any other unspecified impact via a crafted PCX file.

For Debian 8 'Jessie', these problems have been fixed in version 1.2.12-5+deb9u2.

We recommend that you upgrade your sdl-image1.2 packages.

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The following issues have been found in libsdl2-image, the image file loading library.

CVE-2018-3977

Heap buffer overflow in IMG_xcf.c. This vulnerability might be leveraged by remote attackers to cause remote code execution or denial of service via a crafted XCF file.

CVE-2019-5052

Integer overflow and subsequent buffer overflow in IMG_pcx.c. This vulnerability might be leveraged by remote attackers to cause remote code execution or denial of service via a crafted PCX file.

CVE-2019-7635

Heap buffer overflow affecting Blit1to4, in IMG_bmp.c. This vulnerability might be leveraged by remote attackers to cause denial of service or any other unspecified impact via a crafted BMP file.

CVE-2019-12216, CVE-2019-12217, CVE-2019-12218, CVE-2019-12219, CVE-2019-12220, CVE-2019-12221, CVE-2019-12222

Multiple out-of-bound read and write accesses affecting IMG_LoadPCX_RW, in IMG_pcx.c. These vulnerabilities might be leveraged by remote attackers to cause denial of service or any other unspecified impact via a crafted PCX file.

For Debian 8 'Jessie', these problems have been fixed in version 2.0.0+dfsg-3+deb8u2.

We recommend that you upgrade your libsdl2-image packages.

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote host is affected by the vulnerability described in GLSA-201903-17 (SDL2_Image: Multiple vulnerabilities)

    Multiple vulnerabilities have been discovered in SDL2_Image. Please       review the CVE identifiers referenced below for details.
  Impact :

    A remote attacker, by enticing a user to process a specially crafted       image file, could execute arbitrary code, cause a Denial of Service       condition, or obtain sensitive information.
  Workaround :

    There is no known workaround at this time.

This update for SDL2_image fixes the following issues :

Security issues fixed :

  - CVE-2018-3839: Fixed an exploitable code execution     vulnerability that existed in the XCF image rendering     functionality of the Simple DirectMedia Layer     (bsc#1089087).

  - CVE-2018-3977: Fixed a possible code execution via     creafted XCF image that could have caused a heap     overflow (bsc#1114519).

Security fix for CVE-2018-3977

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

ID	Name	Product	Family	Severity
132933	Ubuntu 16.04 LTS / 18.04 LTS : SDL_image vulnerabilities (USN-4238-1)	Nessus	Ubuntu Local Security Checks	high
127101	Debian DLA-1865-1 : sdl-image1.2 security update	Nessus	Debian Local Security Checks	high
126927	Debian DLA-1861-1 : libsdl2-image security update	Nessus	Debian Local Security Checks	high
123423	GLSA-201903-17 : SDL2_Image: Multiple vulnerabilities	Nessus	Gentoo Local Security Checks	high
123381	openSUSE Security Update : SDL2_image (openSUSE-2019-933)	Nessus	SuSE Local Security Checks	high
120873	Fedora 28 : mingw-SDL2_image (2018-e8d19367cb)	Nessus	Fedora Local Security Checks	high
120721	Fedora 29 : mingw-SDL2_image (2018-b38de02132)	Nessus	Fedora Local Security Checks	high
120706	Fedora 28 : SDL2_image (2018-ae9027a506)	Nessus	Fedora Local Security Checks	high
120520	Fedora 29 : SDL2_image (2018-70c2222171)	Nessus	Fedora Local Security Checks	high
119141	openSUSE Security Update : SDL2_image (openSUSE-2018-1466)	Nessus	SuSE Local Security Checks	high
119083	openSUSE Security Update : SDL2_image (openSUSE-2018-1433)	Nessus	SuSE Local Security Checks	high

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CVE-2018-3977

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