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ubuntuUbuntuUSN-5051-4
HistorySep 01, 2021 - 12:00 a.m.

OpenSSL regression

2021-09-0100:00:00
ubuntu.com
95

7.4 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

8.3 High

AI Score

Confidence

High

5.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.005 Low

EPSS

Percentile

75.6%

JSON

Releases

  • Ubuntu 14.04 ESM

Packages

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

Details

USN-5051-2 introduced a regression in OpenSSL that affected only Ubuntu 14.04 ESM.
This update fix the regression.

Original advisory details:

Ingo Schwarze discovered that OpenSSL incorrectly handled certain ASN.1
strings. A remote attacker could use this issue to cause OpenSSL to crash,
resulting in a denial of service, or possibly obtain sensitive information.
(CVE-2021-3712)

OSVersionArchitecturePackageVersionFilename
Ubuntu14.04noarchlibssl1.0.0< 1.0.1f-1ubuntu2.27+esm4UNKNOWN
Ubuntu14.04noarchlibcrypto1.0.0-udeb< 1.0.1f-1ubuntu2.27UNKNOWN
Ubuntu14.04noarchlibcrypto1.0.0-udeb-dbgsym< 1.0.1f-1ubuntu2.27UNKNOWN
Ubuntu14.04noarchlibssl-dev< 1.0.1f-1ubuntu2.27UNKNOWN
Ubuntu14.04noarchlibssl-dev-dbgsym< 1.0.1f-1ubuntu2.27UNKNOWN
Ubuntu14.04noarchlibssl1.0.0< 1.0.1f-1ubuntu2.27UNKNOWN
Ubuntu14.04noarchlibssl1.0.0-dbg< 1.0.1f-1ubuntu2.27UNKNOWN
Ubuntu14.04noarchlibssl1.0.0-dbgsym< 1.0.1f-1ubuntu2.27UNKNOWN
Ubuntu14.04noarchlibssl1.0.0-udeb< 1.0.1f-1ubuntu2.27UNKNOWN
Ubuntu14.04noarchlibssl1.0.0-udeb-dbgsym< 1.0.1f-1ubuntu2.27UNKNOWN
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7.4 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

8.3 High

AI Score

Confidence

High

5.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.005 Low

EPSS

Percentile

75.6%

JSON
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