drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mehrere Probleme in unbound
Name: |
Mehrere Probleme in unbound |
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ID: |
RHSA-2021:1853-01 |
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Distribution: |
Red Hat |
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Plattformen: |
Red Hat Enterprise Linux |
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Datum: |
Mi, 19. Mai 2021, 07:22 |
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Referenzen: |
https://access.redhat.com/security/cve/CVE-2019-25041
https://access.redhat.com/security/cve/CVE-2019-25036
https://access.redhat.com/security/cve/CVE-2019-25034
https://access.redhat.com/security/cve/CVE-2019-25037
https://access.redhat.com/security/cve/CVE-2019-25039
https://access.redhat.com/security/cve/CVE-2019-25040
https://access.redhat.com/security/cve/CVE-2019-25042
https://access.redhat.com/security/cve/CVE-2019-25035
https://access.redhat.com/security/cve/CVE-2019-25032
https://access.redhat.com/security/cve/CVE-2020-28935
https://access.redhat.com/security/cve/CVE-2019-25038 |
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Applikationen: |
Unbound |
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Originalnachricht |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256
===================================================================== Red Hat Security Advisory
Synopsis: Moderate: unbound security, bug fix, and enhancement update Advisory ID: RHSA-2021:1853-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:1853 Issue date: 2021-05-18 CVE Names: CVE-2019-25032 CVE-2019-25034 CVE-2019-25035 CVE-2019-25036 CVE-2019-25037 CVE-2019-25038 CVE-2019-25039 CVE-2019-25040 CVE-2019-25041 CVE-2019-25042 CVE-2020-28935 =====================================================================
1. Summary:
An update for unbound is now available for Red Hat Enterprise Linux 8.
Red Hat Product Security has rated this update as having a security impact of Moderate. 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:
The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver.
Security Fix(es):
* unbound: integer overflow in the regional allocator via regional_alloc (CVE-2019-25032)
* unbound: integer overflow in sldns_str2wire_dname_buf_origin can lead to an out-of-bounds write (CVE-2019-25034)
* unbound: out-of-bounds write in sldns_bget_token_par (CVE-2019-25035)
* unbound: assertion failure and denial of service in synth_cname (CVE-2019-25036)
* unbound: assertion failure and denial of service in dname_pkt_copy via an invalid packet (CVE-2019-25037)
* unbound: integer overflow in a size calculation in dnscrypt/dnscrypt.c (CVE-2019-25038)
* unbound: integer overflow in a size calculation in respip/respip.c (CVE-2019-25039)
* unbound: infinite loop via a compressed name in dname_pkt_copy (CVE-2019-25040)
* unbound: assertion failure via a compressed name in dname_pkt_copy (CVE-2019-25041)
* unbound: out-of-bounds write via a compressed name in rdata_copy (CVE-2019-25042)
* unbound: symbolic link traversal when writing PID file (CVE-2020-28935)
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.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.4 Release Notes linked from 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
5. Bugs fixed (https://bugzilla.redhat.com/):
1714175 - Fix SPEC file to not check md5 mtime and size of /var/lib/unbound/root.key 1842837 - rpmlint reports crypto-policy-non-compliance-openssl 1850460 - Enable additional logging in unbound in RHEL8 1878761 - CVE-2020-28935 unbound: symbolic link traversal when writing PID file 1954772 - CVE-2019-25032 unbound: integer overflow in the regional allocator via regional_alloc 1954778 - CVE-2019-25034 unbound: integer overflow in sldns_str2wire_dname_buf_origin can lead to an out-of-bounds write 1954780 - CVE-2019-25035 unbound: out-of-bounds write in sldns_bget_token_par 1954782 - CVE-2019-25036 unbound: assertion failure and denial of service in synth_cname 1954794 - CVE-2019-25037 unbound: assertion failure and denial of service in dname_pkt_copy via an invalid packet 1954796 - CVE-2019-25038 unbound: integer overflow in a size calculation in dnscrypt/dnscrypt.c 1954797 - CVE-2019-25039 unbound: integer overflow in a size calculation in respip/respip.c 1954799 - CVE-2019-25040 unbound: infinite loop via a compressed name in dname_pkt_copy 1954801 - CVE-2019-25041 unbound: assertion failure via a compressed name in dname_pkt_copy 1954804 - CVE-2019-25042 unbound: out-of-bounds write via a compressed name in rdata_copy
6. Package List:
Red Hat Enterprise Linux AppStream (v. 8):
Source: unbound-1.7.3-15.el8.src.rpm
aarch64: python3-unbound-1.7.3-15.el8.aarch64.rpm python3-unbound-debuginfo-1.7.3-15.el8.aarch64.rpm unbound-1.7.3-15.el8.aarch64.rpm unbound-debuginfo-1.7.3-15.el8.aarch64.rpm unbound-debugsource-1.7.3-15.el8.aarch64.rpm unbound-devel-1.7.3-15.el8.aarch64.rpm unbound-libs-1.7.3-15.el8.aarch64.rpm unbound-libs-debuginfo-1.7.3-15.el8.aarch64.rpm
ppc64le: python3-unbound-1.7.3-15.el8.ppc64le.rpm python3-unbound-debuginfo-1.7.3-15.el8.ppc64le.rpm unbound-1.7.3-15.el8.ppc64le.rpm unbound-debuginfo-1.7.3-15.el8.ppc64le.rpm unbound-debugsource-1.7.3-15.el8.ppc64le.rpm unbound-devel-1.7.3-15.el8.ppc64le.rpm unbound-libs-1.7.3-15.el8.ppc64le.rpm unbound-libs-debuginfo-1.7.3-15.el8.ppc64le.rpm
s390x: python3-unbound-1.7.3-15.el8.s390x.rpm python3-unbound-debuginfo-1.7.3-15.el8.s390x.rpm unbound-1.7.3-15.el8.s390x.rpm unbound-debuginfo-1.7.3-15.el8.s390x.rpm unbound-debugsource-1.7.3-15.el8.s390x.rpm unbound-devel-1.7.3-15.el8.s390x.rpm unbound-libs-1.7.3-15.el8.s390x.rpm unbound-libs-debuginfo-1.7.3-15.el8.s390x.rpm
x86_64: python3-unbound-1.7.3-15.el8.x86_64.rpm python3-unbound-debuginfo-1.7.3-15.el8.i686.rpm python3-unbound-debuginfo-1.7.3-15.el8.x86_64.rpm unbound-1.7.3-15.el8.x86_64.rpm unbound-debuginfo-1.7.3-15.el8.i686.rpm unbound-debuginfo-1.7.3-15.el8.x86_64.rpm unbound-debugsource-1.7.3-15.el8.i686.rpm unbound-debugsource-1.7.3-15.el8.x86_64.rpm unbound-devel-1.7.3-15.el8.i686.rpm unbound-devel-1.7.3-15.el8.x86_64.rpm unbound-libs-1.7.3-15.el8.i686.rpm unbound-libs-1.7.3-15.el8.x86_64.rpm unbound-libs-debuginfo-1.7.3-15.el8.i686.rpm unbound-libs-debuginfo-1.7.3-15.el8.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-2019-25032 https://access.redhat.com/security/cve/CVE-2019-25034 https://access.redhat.com/security/cve/CVE-2019-25035 https://access.redhat.com/security/cve/CVE-2019-25036 https://access.redhat.com/security/cve/CVE-2019-25037 https://access.redhat.com/security/cve/CVE-2019-25038 https://access.redhat.com/security/cve/CVE-2019-25039 https://access.redhat.com/security/cve/CVE-2019-25040 https://access.redhat.com/security/cve/CVE-2019-25041 https://access.redhat.com/security/cve/CVE-2019-25042 https://access.redhat.com/security/cve/CVE-2020-28935 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.4_release_notes/
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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