SB2022063028 - Ubuntu update for libjpeg6b
Published: June 30, 2022
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 5 secuirty vulnerabilities.
1) Division by zero (CVE-ID: CVE-2018-11212)
The vulnerability allows a remote attacker to cause DoS condition.The weakness exists due to division by zero error within the libjpeg library within the libjpeg-turbo in alloc_sarray() function of jmemmgr.c file. A remote attacker can pass a specially crafted file the to affected application and cause application to crash.
2) Input validation error (CVE-ID: CVE-2018-11213)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input within the get_text_gray_row() function in rdppm.c. A remote attacker can create a specially crafted image, trick the victim into opening it with software that uses the affected version of libjpeg, and perform a denial of service attack.
3) Input validation error (CVE-ID: CVE-2018-11214)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input within the get_text_rgb_row() function in rdppm.c. A remote attacker can create a specially crafted image, trick the victim into opening it with software that uses the affected version of libjpeg, and perform a denial of service attack.
4) Infinite loop (CVE-ID: CVE-2018-11813)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to infinite loop in read_pixel() function in rdtarga.c when processing EOF (end-of-line) characters. A remote attacker can use a specially crafted image to consume all available system resources and cause denial of service conditions.
5) Buffer overflow (CVE-ID: CVE-2020-14152)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack or disclose sensitive information.
The vulnerability exists due to a boundary error in "jpeg_mem_available()" function in "jmemnobs.c" file in djpeg. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger memory corruption and gain access to sensitive information or cause a denial of service condition on the target system.
Remediation
Install update from vendor's website.