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Ubuntu 18.04 LTS: USN-6229-1 Moderate: LibTIFF Issues Cause DoS

ubuntu
Calendar Grey July 13, 2023
Dist Ubuntu Esm H88
Ubuntu Security Notice USN-6230-1 impacts OpenSSL vulnerabilities found in various versions, highlighting different degrees of risk.
Several security issues were fixed in LibTIFF.

Summary

Several security issues were fixed in LibTIFF.

Software Description:

- tiff: Tag Image File Format (TIFF) library

Details:

It was discovered that LibTIFF was not properly handling variables used to

perform memory management operations when processing an image through

tiffcrop, which could lead to a heap buffer overflow. An attacker could

possibly use this issue to cause a denial of service or execute arbitrary

code. (CVE-2023-25433, CVE-2023-26965)

It was discovered that LibTIFF was not properly processing numerical

values when dealing with little-endian input data, which could lead to the

execution of an invalid operation. An attacker could possibly use this

issue to cause a denial of service (CVE-2023-26966)

It was discovered that LibTIFF was not properly performing bounds checks

when closing a previously opened TIFF file, which could lead to a NULL

pointer dereference. An attacker could possibly use this issue to cause a

denial of service. (CVE-2023-33...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service security issue heap overflow update instructions ubuntu libtiff

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 18.04 LTS (Available with Ubuntu Pro):
   libtiff-tools                   4.0.9-5ubuntu0.10+esm1
   libtiff5                        4.0.9-5ubuntu0.10+esm1

Ubuntu 16.04 LTS (Available with Ubuntu Pro):
   libtiff-tools                   4.0.6-1ubuntu0.8+esm11
   libtiff5                        4.0.6-1ubuntu0.8+esm11

Ubuntu 14.04 LTS (Available with Ubuntu Pro):
   libtiff-tools                   4.0.3-7ubuntu0.11+esm8
   libtiff5                        4.0.3-7ubuntu0.11+esm8

In general, a standard system update will make all the necessary changes.

References

  https://ubuntu.com/security/notices/USN-6229-1

  CVE-2023-25433, CVE-2023-26965, CVE-2023-26966, CVE-2023-3316

July 13, 2023

Topics%20covered

Topics Covered

security advisory denial of service security issue heap overflow update instructions ubuntu libtiff

Package Information

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