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ubuntuUbuntuUSN-5168-1
HistoryDec 01, 2021 - 12:00 a.m.

NSS vulnerability

2021-12-0100:00:00
ubuntu.com
57
nss
network security service
tavis ormandy
ubuntu
denial of service
arbitrary code
signature verification
dsa
rsa-pss

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

10

Confidence

High

EPSS

0.008

Percentile

81.4%

JSON

Releases

  • Ubuntu 21.10
  • Ubuntu 21.04
  • Ubuntu 20.04 LTS
  • Ubuntu 18.04 ESM

Packages

  • nss - Network Security Service library

Details

Tavis Ormandy discovered that NSS incorrectly handled verifying DSA/RSA-PSS
signatures. A remote attacker could use this issue to cause NSS to crash,
resulting in a denial of service, or possibly execute arbitrary code.

OSVersionArchitecturePackageVersionFilename
Ubuntu21.10noarchlibnss3< 2:3.68-1ubuntu1.1UNKNOWN
Ubuntu21.10noarchlibnss3-dbgsym< 2:3.68-1ubuntu1.1UNKNOWN
Ubuntu21.10noarchlibnss3-dev< 2:3.68-1ubuntu1.1UNKNOWN
Ubuntu21.10noarchlibnss3-tools< 2:3.68-1ubuntu1.1UNKNOWN
Ubuntu21.10noarchlibnss3-tools-dbgsym< 2:3.68-1ubuntu1.1UNKNOWN
Ubuntu21.04noarchlibnss3< 2:3.61-1ubuntu2.1UNKNOWN
Ubuntu21.04noarchlibnss3-dbgsym< 2:3.61-1ubuntu2.1UNKNOWN
Ubuntu21.04noarchlibnss3-dev< 2:3.61-1ubuntu2.1UNKNOWN
Ubuntu21.04noarchlibnss3-tools< 2:3.61-1ubuntu2.1UNKNOWN
Ubuntu21.04noarchlibnss3-tools-dbgsym< 2:3.61-1ubuntu2.1UNKNOWN
Rows per page:
1-10 of 191

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CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

10

Confidence

High

EPSS

0.008

Percentile

81.4%

JSON
Related for USN-5168-1
nessus67photon6amazon6archlinux2redhat16ibm3debian3openvas35cbl_mariner2osv10veracode1oraclelinux3mageia1alpinelinux1redhatcve2cvelist2nvd2thn1ubuntu3suse4freebsd1cnvd1debiancve2mozilla2fedora2cloudfoundry1centos1slackware2cloudlinux2rocky1prion2googleprojectzero1f52almalinux1cve2ubuntucve2trellix2gentoo1rosalinux1