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Ubuntu 16.04 LTS: USN-4500-1 High: bsdiff Crash and Execute Threat

ubuntu
Calendar Grey September 15, 2020
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The latest Ubuntu Security Notation USN-4501-1 addresses critical flaws in bsdiff for Ubuntu 18.04, posing threats of system instability and unauthorized code execution.
bsdiff could be made to crash or run programs as your login if it opened a specially crafted file.

Summary

bsdiff could be made to crash or run programs as your login if it

opened a specially crafted file.

Software Description:

- bsdiff: generate/apply a patch between two binary files

Details:

It was discovered that bsdiff mishandled certain input. If a user were tricked

into opening a malicious file, an attacker could cause bsdiff to crash or

potentially execute arbitrary code.

Topics%20covered

Topics Covered

security advisory code execution Ubuntu crash issues bsdiff

Update Instructions

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

Ubuntu 16.04 LTS:
  bsdiff                          4.3-15+deb8u1build0.16.04.1

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

References

https://ubuntu.com/security/notices/USN-4500-1

CVE-2014-9862

Severity
important
Lowest
Low
Medium
High
Critical

September 15, 2020

Topics%20covered

Topics Covered

security advisory code execution Ubuntu crash issues bsdiff

Package Information

https://launchpad.net/ubuntu/+source/bsdiff/4.3-15+deb8u1build0.16.04.1
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