SB2019010103 - Improper input validation in openjpeg (Alpine package)
Published: January 1, 2019
Security Bulletin ID
SB2019010103
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper input validation (CVE-ID: CVE-2018-6616)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/U:Clear
The vulnerability allows a local unauthenticated attacker to cause DoS condition on the target system.
The weakness exists in the opj_t1_encode_cblks function, which is defined in the openjp2/t1.c source code file, due to insufficient validation of user-supplied input. A local attacker can submit a specially crafted BMP file and cause the service to crash.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=18df15dbb366dab8b2d3261d3758f99b8524906d
- https://git.alpinelinux.org/aports/commit/?id=f2c26c7c744245bc3ea738b6a304b4206ba171f4
- https://git.alpinelinux.org/aports/commit/?id=12fd347ffe7f9822f46f4cb6f4841ab6fa558edd
- https://git.alpinelinux.org/aports/commit/?id=50f991efc36983c48ef31001e2cb0433b2745479
- https://git.alpinelinux.org/aports/commit/?id=b02bbf085421c6efa07378f71077a1a317428866