drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mehrere Probleme in Squid
Name: |
Mehrere Probleme in Squid |
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ID: |
USN-4446-1 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 16.04 LTS, Ubuntu 18.04 LTS |
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Datum: |
Mo, 3. August 2020, 23:49 |
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Referenzen: |
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-18676
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-12520
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-12524
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-12523 |
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Applikationen: |
Squid |
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Originalnachricht |
This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --===============0367325085077882888== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="ksFFIgc6WS5ixvLeQDx1SdXp10O53QN7Z"
This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --ksFFIgc6WS5ixvLeQDx1SdXp10O53QN7Z Content-Type: multipart/mixed; boundary="g6BQcK21exf6lISOS9vCO6590sHiVZodJ"
--g6BQcK21exf6lISOS9vCO6590sHiVZodJ Content-Type: text/plain; charset=utf-8 Content-Language: en-C Content-Transfer-Encoding: quoted-printable
========================================================================== Ubuntu Security Notice USN-4446-1 August 03, 2020
squid3 vulnerabilities ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 18.04 LTS - Ubuntu 16.04 LTS
Summary:
Several security issues were fixed in Squid.
Software Description: - squid3: Web proxy cache server
Details:
Jeriko One discovered that Squid incorrectly handled caching certain requests. A remote attacker could possibly use this issue to perform cache-injection attacks or gain access to reverse proxy features such as ESI. (CVE-2019-12520)
Jeriko One and Kristoffer Danielsson discovered that Squid incorrectly handled certain URN requests. A remote attacker could possibly use this issue to bypass access checks. (CVE-2019-12523)
Jeriko One discovered that Squid incorrectly handled URL decoding. A remote attacker could possibly use this issue to bypass certain rule checks. (CVE-2019-12524)
Jeriko One and Kristoffer Danielsson discovered that Squid incorrectly handled input validation. A remote attacker could use this issue to cause Squid to crash, resulting in a denial of service. (CVE-2019-18676)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 18.04 LTS: squid 3.5.27-1ubuntu1.7
Ubuntu 16.04 LTS: squid 3.5.12-1ubuntu7.12
In general, a standard system update will make all the necessary changes.
References: https://usn.ubuntu.com/4446-1 CVE-2019-12520, CVE-2019-12523, CVE-2019-12524, CVE-2019-18676
Package Information: https://launchpad.net/ubuntu/+source/squid3/3.5.27-1ubuntu1.7 https://launchpad.net/ubuntu/+source/squid3/3.5.12-1ubuntu7.12
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