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Ubuntu 16.04 LTS: USN-3913-1 Critical: P7ZIP Arbitrary Code Execution

ubuntu
Calendar Grey March 21, 2019
Dist Ubuntu Esm H88
Ubuntu Security Notice USN-3914-1 addresses vulnerabilities in OpenSSL that may result in data leaks or interception of sensitive information.
p7zip could be made to crash or run programs as your login if it opened a specially crafted file.

Summary

p7zip could be made to crash or run programs as your login if it

opened a specially crafted file.

Software Description:

- p7zip: 7z file archiver with high compression ratio

Details:

It was discovered that p7zip did not correctly handle certain malformed

archives. If a user or automated system were tricked into processing a specially

crafted archive with p7zip, then p7zip could be made to crash, possibly leading

to abitrary code execution.

Topics%20covered

Topics Covered

security advisory denial of service security issue package update arbitrary code execution Ubuntu p7zip

Update Instructions

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

Ubuntu 16.04 LTS:
  p7zip                           9.20.1~dfsg.1-4.2ubuntu0.1
  p7zip-full                      9.20.1~dfsg.1-4.2ubuntu0.1

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

References

https://ubuntu.com/security/notices/USN-3913-1

CVE-2016-2335, CVE-2017-17969

Severity
critical
Lowest
Low
Medium
High
Critical

=========================================================================Ubuntu Security Notice USN-3913-1

Topics%20covered

Topics Covered

security advisory denial of service security issue package update arbitrary code execution Ubuntu p7zip

Package Information

https://launchpad.net/ubuntu/+source/p7zip/9.20.1~dfsg.1-4.2ubuntu0.1

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