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ubuntuUbuntuUSN-4892-1
HistoryApr 27, 2021 - 12:00 a.m.

OpenJDK vulnerability

2021-04-2700:00:00
ubuntu.com
104

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

6.3 Medium

AI Score

Confidence

High

2.6 Low

CVSS2

Access Vector

NETWORK

Access Complexity

HIGH

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.002 Low

EPSS

Percentile

51.7%

Releases

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

Packages

  • openjdk-8 - Open Source Java implementation
  • openjdk-lts - Open Source Java implementation

Details

It was discovered that OpenJDK incorrectly verified Jar signatures. An
attacker could possibly use this issue to bypass intended security
restrictions when using Jar files signed with a disabled algorithm.

OSVersionArchitecturePackageVersionFilename
Ubuntu20.10noarchopenjdk-11-jdk< 11.0.11+9-0ubuntu2~20.10UNKNOWN
Ubuntu20.10noarchopenjdk-11-dbg< 11.0.11+9-0ubuntu2~20.10UNKNOWN
Ubuntu20.10noarchopenjdk-11-demo< 11.0.11+9-0ubuntu2~20.10UNKNOWN
Ubuntu20.10noarchopenjdk-11-doc< 11.0.11+9-0ubuntu2~20.10UNKNOWN
Ubuntu20.10noarchopenjdk-11-jdk-headless< 11.0.11+9-0ubuntu2~20.10UNKNOWN
Ubuntu20.10noarchopenjdk-11-jre< 11.0.11+9-0ubuntu2~20.10UNKNOWN
Ubuntu20.10noarchopenjdk-11-jre-headless< 11.0.11+9-0ubuntu2~20.10UNKNOWN
Ubuntu20.10noarchopenjdk-11-jre-zero< 11.0.11+9-0ubuntu2~20.10UNKNOWN
Ubuntu20.10noarchopenjdk-11-source< 11.0.11+9-0ubuntu2~20.10UNKNOWN
Ubuntu20.10noarchopenjdk-8-jdk< 8u292-b10-0ubuntu1~20.10UNKNOWN
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5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

6.3 Medium

AI Score

Confidence

High

2.6 Low

CVSS2

Access Vector

NETWORK

Access Complexity

HIGH

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.002 Low

EPSS

Percentile

51.7%