XML injection in imagemagick6 (Alpine package)



Published: 2020-12-16 | Updated: 2022-01-30
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-29599
CWE-ID CWE-91
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
Subscribe 		imagemagick6 (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) XML injection

EUVDB-ID: #VU48940

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-29599

CWE-ID: CWE-91 - XML Injection

Exploit availability: Yes

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

ImageMagick before 6.9.11-40 and 7.x before 7.0.10-40 mishandles the -authenticate option, which allows setting a password for password-protected PDF files. The user-controlled password was not properly escaped/sanitized and it was therefore possible to inject additional shell commands via coders/pdf.c.

Mitigation

Install update from vendor's website.

Vulnerable software versions

imagemagick6 (Alpine package): 6.9.11.14-r0 - 6.9.11.48-r0

CPE2.3 External links

http://git.alpinelinux.org/aports/commit/?id=0695df681f4c968f1a2ac4cd7d245f5b9ebb44bf


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.



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