SB2018101112 - Fedora 29 update for libtiff
Published: October 11, 2018 Updated: April 24, 2025
Security Bulletin ID
SB2018101112
Severity
Low
Patch available
YES
Number of vulnerabilities
2
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Heap-based buffer over-read (CVE-ID: CVE-2018-10779)
The vulnerability allows a local attacker to cause DoS condition on the target system.The weakness exists in the TIFFWriteScanline function in the tif_write.csource code file due to insufficient validation of user-supplied input. A local attacker can use the .bmp2tiff command to execute a specially crafted file, trigger heap-based buffer over-read and cause the service to crash.
2) Resource exhaustion (CVE-ID: CVE-2018-10801)
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The vulnerability exists due to insufficient validation of user-supplied input processed by the TIFFClientOpen function, as defined in the tif_unix.c source code file. A remote attacker can use the .bmp2tiff command to execute a file that submits malicious input to the system, trigger memory leaks and cause the affected software to crash, resulting in a DoS condition.
Remediation
Install update from vendor's website.