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ubuntuUbuntuUSN-4662-1
HistoryDec 08, 2020 - 12:00 a.m.

OpenSSL vulnerability

2020-12-0800:00:00
ubuntu.com
143

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

6.1 Medium

AI Score

Confidence

Low

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.004 Low

EPSS

Percentile

74.1%

JSON

Releases

  • Ubuntu 20.10
  • Ubuntu 20.04 LTS
  • Ubuntu 18.04 ESM
  • Ubuntu 16.04 ESM

Packages

  • openssl - Secure Socket Layer (SSL) cryptographic library and tools
  • openssl1.0 - Secure Socket Layer (SSL) cryptographic library and tools

Details

David Benjamin discovered that OpenSSL incorrectly handled comparing
certificates containing a EDIPartyName name type. A remote attacker could
possibly use this issue to cause OpenSSL to crash, resulting in a denial of
service.

OSVersionArchitecturePackageVersionFilename
Ubuntu20.10noarchlibssl1.1< 1.1.1f-1ubuntu4.1UNKNOWN
Ubuntu20.10noarchlibcrypto1.1-udeb< 1.1.1f-1ubuntu4.1UNKNOWN
Ubuntu20.10noarchlibssl-dev< 1.1.1f-1ubuntu4.1UNKNOWN
Ubuntu20.10noarchlibssl-doc< 1.1.1f-1ubuntu4.1UNKNOWN
Ubuntu20.10noarchlibssl1.1-dbgsym< 1.1.1f-1ubuntu4.1UNKNOWN
Ubuntu20.10noarchlibssl1.1-udeb< 1.1.1f-1ubuntu4.1UNKNOWN
Ubuntu20.10noarchopenssl< 1.1.1f-1ubuntu4.1UNKNOWN
Ubuntu20.10noarchopenssl-dbgsym< 1.1.1f-1ubuntu4.1UNKNOWN
Ubuntu20.04noarchlibssl1.1< 1.1.1f-1ubuntu2.1UNKNOWN
Ubuntu20.04noarchlibcrypto1.1-udeb< 1.1.1f-1ubuntu2.1UNKNOWN
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2020-12-17 00:00:00
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5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

6.1 Medium

AI Score

Confidence

Low

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.004 Low

EPSS

Percentile

74.1%

JSON
Related for USN-4662-1
suse4nessus71ibm32f51osv7openvas33debiancve1freebsd_advisory1debian4redhat15archlinux1gentoo1cbl_mariner1altlinux2prion1veracode1fedora2oraclelinux3cloudlinux1openssl1freebsd1cve1redhatcve1alpinelinux1photon2githubexploit1almalinux1centos1ubuntucve1mscve1amazon2mageia1cloudfoundry1aix1