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redhatRedHatRHSA-2021:2258
HistoryJun 07, 2021 - 6:41 a.m.

(RHSA-2021:2258) Important: rh-nginx118-nginx security update

2021-06-0706:41:51
access.redhat.com
76
security update
nginx
off-by-one
cve-2021-23017
unix

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS3

7.7

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

LOW

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L

EPSS

0.316

Percentile

97.1%

JSON

nginx is a web and proxy server supporting HTTP and other protocols, with a focus on high concurrency, performance, and low memory usage.

Security Fix(es):

  • nginx: Off-by-one in ngx_resolver_copy() when labels are followed by a pointer to a root domain name (CVE-2021-23017)

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.

OSVersionArchitecturePackageVersionFilename
RedHat7ppc64lerh-nginx118-nginx-mod-http-xslt-filter< 1.18.0-3.el7rh-nginx118-nginx-mod-http-xslt-filter-1.18.0-3.el7.ppc64le.rpm
RedHat7s390xrh-nginx118-nginx-mod-http-image-filter< 1.18.0-3.el7rh-nginx118-nginx-mod-http-image-filter-1.18.0-3.el7.s390x.rpm
RedHat7x86_64rh-nginx118-nginx-mod-http-xslt-filter< 1.18.0-3.el7rh-nginx118-nginx-mod-http-xslt-filter-1.18.0-3.el7.x86_64.rpm
RedHat7s390xrh-nginx118-nginx-mod-stream< 1.18.0-3.el7rh-nginx118-nginx-mod-stream-1.18.0-3.el7.s390x.rpm
RedHat7ppc64lerh-nginx118-nginx-mod-stream< 1.18.0-3.el7rh-nginx118-nginx-mod-stream-1.18.0-3.el7.ppc64le.rpm
RedHat7ppc64lerh-nginx118-nginx-debuginfo< 1.18.0-3.el7rh-nginx118-nginx-debuginfo-1.18.0-3.el7.ppc64le.rpm
RedHat7ppc64lerh-nginx118-nginx-mod-http-image-filter< 1.18.0-3.el7rh-nginx118-nginx-mod-http-image-filter-1.18.0-3.el7.ppc64le.rpm
RedHat7s390xrh-nginx118-nginx-mod-http-perl< 1.18.0-3.el7rh-nginx118-nginx-mod-http-perl-1.18.0-3.el7.s390x.rpm
RedHat7x86_64rh-nginx118-nginx-debuginfo< 1.18.0-3.el7rh-nginx118-nginx-debuginfo-1.18.0-3.el7.x86_64.rpm
RedHat7s390xrh-nginx118-nginx-mod-http-xslt-filter< 1.18.0-3.el7rh-nginx118-nginx-mod-http-xslt-filter-1.18.0-3.el7.s390x.rpm
Rows per page:
1-10 of 211

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CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS3

7.7

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

LOW

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L

EPSS

0.316

Percentile

97.1%

JSON
Related for RHSA-2021:2258
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