drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mehrere Probleme in strongSwan (Aktualisierung)
Name: |
Mehrere Probleme in strongSwan (Aktualisierung) |
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ID: |
USN-5111-2 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 14.04 ESM, Ubuntu 16.04 ESM |
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Datum: |
Di, 19. Oktober 2021, 22:00 |
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Referenzen: |
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41991 |
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Applikationen: |
strongSwan |
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Update von: |
Zwei Probleme in strongSwan |
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Originalnachricht |
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========================================================================== Ubuntu Security Notice USN-5111-2 October 19, 2021
strongswan vulnerability ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 16.04 ESM - Ubuntu 14.04 ESM
Summary:
Several security issues were fixed in strongSwan.
Software Description: - strongswan: IPsec VPN solution
Details:
USN-5111-1 fixed a vulnerability in strongSwan. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.
Original advisory details:
It was discovered that strongSwan incorrectly handled replacing certificates in the cache. A remote attacker could use this issue to cause strongSwan to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2021-41991)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 16.04 ESM: libstrongswan 5.3.5-1ubuntu3.8+esm1 strongswan 5.3.5-1ubuntu3.8+esm1
Ubuntu 14.04 ESM: libstrongswan 5.1.2-0ubuntu2.11+esm1 strongswan 5.1.2-0ubuntu2.11+esm1
In general, a standard system update will make all the necessary changes.
References: https://ubuntu.com/security/notices/USN-5111-2 https://ubuntu.com/security/notices/USN-5111-1 CVE-2021-41991
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