drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mehrere Probleme in squid4
Name: |
Mehrere Probleme in squid4 |
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ID: |
RHSA-2020:2041-01 |
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Distribution: |
Red Hat |
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Plattformen: |
Red Hat Enterprise Linux |
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Datum: |
Mi, 6. Mai 2020, 19:00 |
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Referenzen: |
https://access.redhat.com/security/cve/CVE-2020-11945
https://access.redhat.com/security/cve/CVE-2019-12519
https://access.redhat.com/security/cve/CVE-2019-12525 |
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Applikationen: |
Squid |
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Originalnachricht |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256
===================================================================== Red Hat Security Advisory
Synopsis: Important: squid:4 security update Advisory ID: RHSA-2020:2041-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:2041 Issue date: 2020-05-06 CVE Names: CVE-2019-12519 CVE-2019-12525 CVE-2020-11945 =====================================================================
1. Summary:
An update for the squid:4 module is now available for Red Hat Enterprise Linux 8.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
2. Relevant releases/architectures:
Red Hat Enterprise Linux AppStream (v. 8) - aarch64, ppc64le, s390x, x86_64
3. Description:
Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects.
Security Fix(es):
* squid: improper check for new member in ESIExpression::Evaluate allows for stack buffer overflow (CVE-2019-12519)
* squid: improper access restriction upon Digest Authentication nonce replay could lead to remote code execution (CVE-2020-11945)
* squid: parsing of header Proxy-Authentication leads to memory corruption (CVE-2019-12525)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
4. Solution:
For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://access.redhat.com/articles/11258
After installing this update, the squid service will be restarted automatically.
5. Bugs fixed (https://bugzilla.redhat.com/):
1730535 - CVE-2019-12525 squid: parsing of header Proxy-Authentication leads to memory corruption 1827552 - CVE-2019-12519 squid: improper check for new member in ESIExpression::Evaluate allows for stack buffer overflow 1827563 - CVE-2020-11945 squid: improper access restriction upon Digest Authentication nonce replay could lead to remote code execution
6. Package List:
Red Hat Enterprise Linux AppStream (v. 8):
Source: libecap-1.0.1-2.module+el8.1.0+4044+36416a77.src.rpm squid-4.4-8.module+el8.2.0+6449+6ba3df3e.1.src.rpm
aarch64: libecap-1.0.1-2.module+el8.1.0+4044+36416a77.aarch64.rpm libecap-debuginfo-1.0.1-2.module+el8.1.0+4044+36416a77.aarch64.rpm libecap-debugsource-1.0.1-2.module+el8.1.0+4044+36416a77.aarch64.rpm libecap-devel-1.0.1-2.module+el8.1.0+4044+36416a77.aarch64.rpm squid-4.4-8.module+el8.2.0+6449+6ba3df3e.1.aarch64.rpm squid-debuginfo-4.4-8.module+el8.2.0+6449+6ba3df3e.1.aarch64.rpm squid-debugsource-4.4-8.module+el8.2.0+6449+6ba3df3e.1.aarch64.rpm
ppc64le: libecap-1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le.rpm libecap-debuginfo-1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le.rpm libecap-debugsource-1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le.rpm libecap-devel-1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le.rpm squid-4.4-8.module+el8.2.0+6449+6ba3df3e.1.ppc64le.rpm squid-debuginfo-4.4-8.module+el8.2.0+6449+6ba3df3e.1.ppc64le.rpm squid-debugsource-4.4-8.module+el8.2.0+6449+6ba3df3e.1.ppc64le.rpm
s390x: libecap-1.0.1-2.module+el8.1.0+4044+36416a77.s390x.rpm libecap-debuginfo-1.0.1-2.module+el8.1.0+4044+36416a77.s390x.rpm libecap-debugsource-1.0.1-2.module+el8.1.0+4044+36416a77.s390x.rpm libecap-devel-1.0.1-2.module+el8.1.0+4044+36416a77.s390x.rpm squid-4.4-8.module+el8.2.0+6449+6ba3df3e.1.s390x.rpm squid-debuginfo-4.4-8.module+el8.2.0+6449+6ba3df3e.1.s390x.rpm squid-debugsource-4.4-8.module+el8.2.0+6449+6ba3df3e.1.s390x.rpm
x86_64: libecap-1.0.1-2.module+el8.1.0+4044+36416a77.x86_64.rpm libecap-debuginfo-1.0.1-2.module+el8.1.0+4044+36416a77.x86_64.rpm libecap-debugsource-1.0.1-2.module+el8.1.0+4044+36416a77.x86_64.rpm libecap-devel-1.0.1-2.module+el8.1.0+4044+36416a77.x86_64.rpm squid-4.4-8.module+el8.2.0+6449+6ba3df3e.1.x86_64.rpm squid-debuginfo-4.4-8.module+el8.2.0+6449+6ba3df3e.1.x86_64.rpm squid-debugsource-4.4-8.module+el8.2.0+6449+6ba3df3e.1.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/
7. References:
https://access.redhat.com/security/cve/CVE-2019-12519 https://access.redhat.com/security/cve/CVE-2019-12525 https://access.redhat.com/security/cve/CVE-2020-11945 https://access.redhat.com/security/updates/classification/#important
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/
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