drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Ausführen beliebiger Kommandos in GNU Screen (Aktualisierung)
Name: |
Ausführen beliebiger Kommandos in GNU Screen (Aktualisierung) |
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ID: |
USN-4747-2 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 14.04 ESM |
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Datum: |
Do, 25. Februar 2021, 23:58 |
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Referenzen: |
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26937 |
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Applikationen: |
screen |
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Update von: |
Ausführen beliebiger Kommandos in GNU Screen |
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Originalnachricht |
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========================================================================== Ubuntu Security Notice USN-4747-2 February 24, 2021
screen vulnerability ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 14.04 ESM
Summary:
GNU Screen could be made to crash or run programs if it processed specially crafted character sequences.
Software Description: - screen: terminal multiplexer with VT100/ANSI terminal emulation
Details:
USN-4747-1 fixed a vulnerability in screen. This update provides the corresponding update for Ubuntu 14.04 ESM.
Original advisory details:
Felix Weinmann discovered that GNU Screen incorrectly handled certain character sequences. A remote attacker could use this issue to cause GNU Screen to crash, resulting in a denial of service, or possibly execute arbitrary code.
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 14.04 ESM: screen 4.1.0~20120320gitdb59704-9ubuntu0.1~esm2
In general, a standard system update will make all the necessary changes.
References: https://usn.ubuntu.com/4747-2 https://usn.ubuntu.com/4747-1 CVE-2021-26937
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