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ubuntuUbuntuUSN-4891-1
HistoryMar 25, 2021 - 12:00 a.m.

OpenSSL vulnerability

2021-03-2500:00:00
ubuntu.com
129

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

7.2 High

AI Score

Confidence

High

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

0.003 Low

EPSS

Percentile

70.8%

JSON

Releases

  • Ubuntu 20.10
  • Ubuntu 20.04 LTS
  • Ubuntu 18.04 ESM

Packages

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

Details

It was discovered that OpenSSL incorrectly handled certain renegotiation
ClientHello messages. A remote attacker could use this issue to cause
OpenSSL to crash, resulting in a denial of service.

OSVersionArchitecturePackageVersionFilename
Ubuntu20.10noarchlibssl1.1< 1.1.1f-1ubuntu4.3UNKNOWN
Ubuntu20.10noarchlibcrypto1.1-udeb< 1.1.1f-1ubuntu4.3UNKNOWN
Ubuntu20.10noarchlibssl-dev< 1.1.1f-1ubuntu4.3UNKNOWN
Ubuntu20.10noarchlibssl-doc< 1.1.1f-1ubuntu4.3UNKNOWN
Ubuntu20.10noarchlibssl1.1-dbgsym< 1.1.1f-1ubuntu4.3UNKNOWN
Ubuntu20.10noarchlibssl1.1-udeb< 1.1.1f-1ubuntu4.3UNKNOWN
Ubuntu20.10noarchopenssl< 1.1.1f-1ubuntu4.3UNKNOWN
Ubuntu20.10noarchopenssl-dbgsym< 1.1.1f-1ubuntu4.3UNKNOWN
Ubuntu20.04noarchlibssl1.1< 1.1.1f-1ubuntu2.3UNKNOWN
Ubuntu20.04noarchlibcrypto1.1-udeb< 1.1.1f-1ubuntu2.3UNKNOWN
Rows per page:
1-10 of 241

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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

7.2 High

AI Score

Confidence

High

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

0.003 Low

EPSS

Percentile

70.8%

JSON
Related for USN-4891-1
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