SB2018073051 - Input validation error in tiff (Alpine package)
Published: July 30, 2018
Security Bulletin ID
SB2018073051
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) Input validation error (CVE-ID: CVE-2018-10963)
The vulnerability allows a remote attacker to cause denial of service conditions.
The vulnerability exists due to insufficient validation of user-supplied input processed by the TIFFWriteDirectorySec() function, as defined in the tif_dirwrite.c source code file. A remote attacker can trick the victim into opening a specially crafted file, trigger assertion failure and cause the application to crash.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=6659caf6913d6dd6651a2f723184dbca1d72f499
- https://git.alpinelinux.org/aports/commit/?id=a384f1f9b968fcff0bbab9758dec1ae69e738b29
- https://git.alpinelinux.org/aports/commit/?id=a7f6a9958c48146e719ecc1f6e2c38812af75c4b
- https://git.alpinelinux.org/aports/commit/?id=c1c8c5a78a149b9954517df485d61e66a73a93a4
- https://git.alpinelinux.org/aports/commit/?id=dc9b38d5feecbb2fcf0dd40261d5a5e958792b2b