NULL pointer dereference in sdl2_image (Alpine package)



| Updated: 2023-03-07
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-12218
CWE-ID CWE-476
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
 sdl2_image (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) NULL pointer dereference

EUVDB-ID: #VU19290

Risk: Low

CVSSv4.0: 1.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2019-12218

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dreference error in SDL2_image function IMG_LoadPCX_RW at IMG_pcx.c. A remote attacker can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

sdl2_image (Alpine package): 2.0.2-r1 - 2.0.4-r0

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=f39cc4a76fb62bedd5c496cbc5e5893066fc79e6
https://git.alpinelinux.org/aports/commit/?id=55de9cfbb9d142a1a279c1ca0e6f81b533b56051
https://git.alpinelinux.org/aports/commit/?id=9f6b061f48c397e4e666fcf6f75fabe92b6033d2


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.



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