SB2019040477 - Null pointer dereference in imagemagick6 (Alpine package)
Published: April 4, 2019
Security Bulletin ID
SB2019040477
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Null pointer dereference (CVE-ID: CVE-2018-16329)
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The vulnerability exists in the GetMagickProperty function of ImageMagick due to boundary error when processing malicious input. A remote attacker can trick the victim into accessing an image file that submits malicious input, trigger a NULL pointer dereference condition in the GetMagickProperty function as defined in the MagickCore/log.c source code file and cause the service to crash.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=7265f5c68465fbf270b08e5b5afab0c89bebdcff
- https://git.alpinelinux.org/aports/commit/?id=9aa6f1864ecdab720ef92348b15660fd036b12b0
- https://git.alpinelinux.org/aports/commit/?id=49f02237bafd3d3005a5791741d775c1380eddf4
- https://git.alpinelinux.org/aports/commit/?id=d4d73543a48ca18ae905200443cacdf97da41f6e