SB2021041230 - Fedora 33 update for leptonica, mingw-leptonica

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Main Vulnerability Database SB2021041230

SB2021041230 - Fedora 33 update for leptonica, mingw-leptonica

Published: April 12, 2021

Security Bulletin ID SB2021041230
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 5
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 5 vulnerabilities.


1) Out-of-bounds read (CVE-ID: CVE-2020-36281)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary condition in pixFewColorsOctcubeQuantMixed in colorquant1.c. A remote attacker can trigger out-of-bounds read error and cause a denial of service condition on the system.


2) Always-Incorrect Control Flow Implementation (CVE-ID: CVE-2020-36277)

CWE-ID: CWE-670 - Always-Incorrect Control Flow Implementation

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack. 

The vulnerability exists due to an incorrect left shift in pixConvert2To8 in pixconv.c. A remote attacker can cause a denial of service condition on the target system. 


3) Out-of-bounds read (CVE-ID: CVE-2020-36278)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack

The vulnerability exists due to a boundary condition in the "findNextBorderPixel" in ccbord.c. A remote attacker can trigger out-of-bounds read error and cause a denial of service condition on the system.


4) Out-of-bounds read (CVE-ID: CVE-2020-36279)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary condition in rasteropGeneralLow, related to adaptmap_reg.c and adaptmap.c. A remote attacker can trigger out-of-bounds read error and cause a denial of service condition on the system.


5) Out-of-bounds read (CVE-ID: CVE-2020-36280)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary condition in pixReadFromTiffStream, related to tiffio.c. A remote attacker can trigger out-of-bounds read error and cause a denial of service condition on the system.


Remediation

Install update from vendor's website.

References