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.
Weakness
The product calls free() twice on the same memory address.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Sdl_image | Libsdl | 2.0.2 (including) | 2.0.2 (including) |
| Libsdl2-image | Ubuntu | artful | * |
| Libsdl2-image | Ubuntu | esm-apps/xenial | * |
| Libsdl2-image | Ubuntu | esm-infra-legacy/trusty | * |
| Libsdl2-image | Ubuntu | trusty | * |
| Libsdl2-image | Ubuntu | trusty/esm | * |
| Libsdl2-image | Ubuntu | upstream | * |
| Libsdl2-image | Ubuntu | xenial | * |
Potential Mitigations
References
- https://security.gentoo.org/glsa/201903-17
- https://www.debian.org/security/2018/dsa-4177
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0498
- https://security.gentoo.org/glsa/201903-17
- https://www.debian.org/security/2018/dsa-4177
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0498