- Vulnerability/
- USN-4221-1
USN-4221-1: libpcap vulnerability
First published: Wed Dec 11 2019(Updated: )
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).
| Affected Software | Affected Version | How to fix |
|---|---|---|
| All of | ||
| ubuntu/libpcap0.8 | <1.8.1-6ubuntu1.19.04.1 | 1.8.1-6ubuntu1.19.04.1 |
| Ubuntu Ubuntu | =19.04 | |
| All of | ||
| ubuntu/libpcap0.8 | <1.8.1-6ubuntu1.18.04.1 | 1.8.1-6ubuntu1.18.04.1 |
| Ubuntu Ubuntu | =18.04 | |
| All of | ||
| ubuntu/libpcap0.8 | <1.7.4-2ubuntu0.1 | 1.7.4-2ubuntu0.1 |
| Ubuntu Ubuntu | =16.04 | |
| All of | ||
| ubuntu/libpcap0.8 | <1.5.3-2ubuntu0.1 | 1.5.3-2ubuntu0.1 |
| Ubuntu Ubuntu | =14.04 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- https://ubuntu.com/security/CVE-2019-15165
- https://ubuntu.com/security/notices/USN-4221-2
- https://launchpad.net/ubuntu/+source/libpcap/1.8.1-6ubuntu1.19.04.1
- https://launchpad.net/ubuntu/+source/libpcap/1.8.1-6ubuntu1.18.04.1
- https://launchpad.net/ubuntu/+source/libpcap/1.7.4-2ubuntu0.1
- https://ubuntu.com/security/notices/USN-4221-1 (Advisory)
Frequently Asked Questions
What is the vulnerability ID for this libpcap vulnerability?
The vulnerability ID for this libpcap vulnerability is USN-4221-1.
What is the severity of USN-4221-1?
The severity of USN-4221-1 is not specified.
How can an attacker exploit this vulnerability?
An attacker could exploit this vulnerability by causing a denial of service through memory exhaustion.
Which software versions are affected by this vulnerability?
The following software versions are affected by this vulnerability: Ubuntu 19.04 with libpcap0.8 version 1.8.1-6ubuntu1.19.04.1, Ubuntu 18.04 with libpcap0.8 version 1.8.1-6ubuntu1.18.04.1, Ubuntu 16.04 with libpcap0.8 version 1.7.4-2ubuntu0.1, and Ubuntu 14.04 with libpcap0.8 version 1.5.3-2ubuntu0.1.
How do I fix the libpcap vulnerability?
To fix the libpcap vulnerability, update to the corresponding remedy versions: 1.8.1-6ubuntu1.19.04.1 for Ubuntu 19.04, 1.8.1-6ubuntu1.18.04.1 for Ubuntu 18.04, 1.7.4-2ubuntu0.1 for Ubuntu 16.04, and 1.5.3-2ubuntu0.1 for Ubuntu 14.04.
- collector/usn
- source/Ubuntu
- anchor-related/USN-4221-2
- agent/software-canonical-lookup
- agent/description
- agent/event
- agent/first-publish-date
- agent/last-modified-date
- agent/references
- agent/severity
- agent/softwarecombine
- agent/tags
- agent/title
- agent/type
- package-manager/ubuntu
- vendor/ubuntu
- canonical/ubuntu ubuntu
- version/ubuntu ubuntu/19.04
- version/ubuntu ubuntu/18.04
- version/ubuntu ubuntu/16.04
- version/ubuntu ubuntu/14.04