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ubuntuUbuntuUSN-4967-2
HistoryMay 27, 2021 - 12:00 a.m.

nginx vulnerability

2021-05-2700:00:00
ubuntu.com
184
ubuntu esm
nginx
vulnerability
dns resolver
denial of service
arbitrary code

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

AI Score

7.7

Confidence

Low

EPSS

0.389

Percentile

97.3%

JSON

Releases

  • Ubuntu 16.04 ESM
  • Ubuntu 14.04 ESM

Packages

  • nginx - small, powerful, scalable web/proxy server

Details

USN-4967-1 fixed a vulnerability in nginx. This update provides
the corresponding update for Ubuntu 14.04 ESM and 16.04 ESM.

Original advisory details:

Luis Merino, Markus Vervier, and Eric Sesterhenn discovered that nginx
incorrectly handled responses to the DNS resolver. A remote attacker could
use this issue to cause nginx to crash, resulting in a denial of service,
or possibly execute arbitrary code.

OSVersionArchitecturePackageVersionFilename
Ubuntu16.04noarchnginx< 1.10.3-0ubuntu0.16.04.5+esm1UNKNOWN
Ubuntu16.04noarchnginx< 1.10.3-0ubuntu0.16.04.5UNKNOWN
Ubuntu16.04noarchnginx-common< 1.10.3-0ubuntu0.16.04.5UNKNOWN
Ubuntu16.04noarchnginx-core< 1.10.3-0ubuntu0.16.04.5UNKNOWN
Ubuntu16.04noarchnginx-core-dbg< 1.10.3-0ubuntu0.16.04.5UNKNOWN
Ubuntu16.04noarchnginx-core-dbgsym< 1.10.3-0ubuntu0.16.04.5UNKNOWN
Ubuntu16.04noarchnginx-doc< 1.10.3-0ubuntu0.16.04.5UNKNOWN
Ubuntu16.04noarchnginx-extras< 1.10.3-0ubuntu0.16.04.5UNKNOWN
Ubuntu16.04noarchnginx-extras-dbg< 1.10.3-0ubuntu0.16.04.5UNKNOWN
Ubuntu16.04noarchnginx-extras-dbgsym< 1.10.3-0ubuntu0.16.04.5UNKNOWN
Rows per page:
1-10 of 421

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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

AI Score

7.7

Confidence

Low

EPSS

0.389

Percentile

97.3%

JSON
Related for USN-4967-2
fedora2altlinux1openvas18gentoo1ibm7nessus42osv12zdt2rocky3packetstorm2cloudlinux2ubuntucve1cvelist1redhat10githubexploit4almalinux3broadcom2veracode1nginx1redos26archlinux2oraclelinux3alpinelinux1debian2amazon1nvd1ubuntu1debiancve1suse2mageia1cbl_mariner1prion1redhatcve1f52freebsd1hackerone1cve1exploitdb1photon8thn1malwarebytes1oracle4