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Sicherheit: Denial of Service in libpcap (Aktualisierung)
Aktuelle Meldungen Distributionen
Name: Denial of Service in libpcap (Aktualisierung)
ID: USN-4221-2
Distribution: Ubuntu
Plattformen: Ubuntu 12.04 ESM
Datum: Mi, 15. Januar 2020, 18:39
Referenzen: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-15165
Applikationen: libpcap
Update von: Denial of Service in libpcap

Originalnachricht


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==========================================================================
Ubuntu Security Notice USN-4221-2
January 15, 2020

libpcap vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 12.04 ESM

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).

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://usn.ubuntu.com/4221-2
https://usn.ubuntu.com/4221-1
CVE-2019-15165

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