Alerts This Week
Warning Icon 1 640
Alerts This Week
Warning Icon 1 640

Ubuntu 12.04 ESM: USN-4221-2 Critical: Libpcap Denial of Service

ubuntu
Calendar Grey January 15, 2020
Dist Ubuntu Esm H88
The Debian Security Advisory DSA-4931-1 highlights a potential flaw in the libc6 package which might allow local users to gain elevated privileges. System upgrades are strongly advised.
Applications using libpcap could be made to crash if given specially crafted data.

Summary

Applications using libpcap could be made to crash if given specially

crafted data.

Software Description:

- libpcap: Library for for user-level network packet capture

Details:

USN-4221-1 fixed a vulnerability in libpcap. This update provides

the corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

It was discovered that libpcap did not properly validate PHB headers in

some situations. An attacker could use this to cause a denial of service

(memory exhaustion).

Topics%20covered

Topics Covered

security advisory DoS Ubuntu memory exhaustion crash libpcap

Update Instructions

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

Ubuntu 12.04 ESM:
  libpcap0.8                      1.1.1-10ubuntu0.1

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

References

https://ubuntu.com/security/notices/USN-4221-1

CVE-2019-15165

Severity
critical
Lowest
Low
Medium
High
Critical

January 15, 2020

Topics%20covered

Topics Covered

security advisory DoS Ubuntu memory exhaustion crash libpcap

Package Information

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here