Heap-based buffer overflow in imagemagick (Alpine package)



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-19948
CWE-ID CWE-122
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
 imagemagick (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Heap-based buffer overflow

EUVDB-ID: #VU24029

Risk: Medium

CVSSv4.0: 7.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Green]

CVE-ID: CVE-2019-19948

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

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

The vulnerability exists due insufficient validation of row and column sizes in the "WriteSGIImage" function of coders/sgi.c. A remote attacker can trigger heap-based buffer overflow and cause a denial of service condition on the target system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

imagemagick (Alpine package): 7.0.9.7-r0 - 7.0.9.26-r0

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=fa08d969d9ea76754832607a9d67a116fb77088e
https://git.alpinelinux.org/aports/commit/?id=513073b4035b5fd7a7cd0a3b9b8e3b85bee244bf


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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