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ubuntuUbuntuUSN-6435-2
HistoryOct 25, 2023 - 12:00 a.m.

OpenSSL vulnerabilities

2023-10-2500:00:00
ubuntu.com
29
ubuntu 20.04 lts
openssl
ssl library
openssl vulnerabilities
diffie-hellman parameters

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

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

6.5 Medium

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.002 Low

EPSS

Percentile

59.4%

JSON

Releases

  • Ubuntu 20.04 LTS

Packages

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

Details

USN-6435-1 fixed vulnerabilities in OpenSSL. This update
provides the corresponding updates for Ubuntu 20.04 LTS.

Original advisory details:

It was discovered that OpenSSL incorrectly handled excessively large
Diffie-Hellman parameters. An attacker could possibly use this issue
to cause a denial of service. (CVE-2023-3446)

Bernd Edlinger discovered that OpenSSL incorrectly handled excessively
large Diffie-Hellman parameters. An attacker could possibly use this
issue to cause a denial of service. (CVE-2023-3817)

OSVersionArchitecturePackageVersionFilename
Ubuntu20.04noarchlibssl1.1< 1.1.1f-1ubuntu2.20UNKNOWN
Ubuntu20.04noarchlibcrypto1.1-udeb< 1.1.1f-1ubuntu2.20UNKNOWN
Ubuntu20.04noarchlibssl-dev< 1.1.1f-1ubuntu2.20UNKNOWN
Ubuntu20.04noarchlibssl-doc< 1.1.1f-1ubuntu2.20UNKNOWN
Ubuntu20.04noarchlibssl1.1-dbgsym< 1.1.1f-1ubuntu2.20UNKNOWN
Ubuntu20.04noarchlibssl1.1-udeb< 1.1.1f-1ubuntu2.20UNKNOWN
Ubuntu20.04noarchopenssl< 1.1.1f-1ubuntu2.20UNKNOWN
Ubuntu20.04noarchopenssl-dbgsym< 1.1.1f-1ubuntu2.20UNKNOWN

Related

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ibm 5
redos 1
f5 2
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redhat 4
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SUSE SLED15 / SLES15 / openSUSE 15 Security Update : openssl-3 (SUSE-SU-2023:3244-1)
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Ubuntu 16.04 ESM / 18.04 ESM : OpenSSL vulnerabilities (USN-6435-1)
2023-10-19 00:00:00
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Medium: edk2
2023-08-17 11:58:00
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Slackware: Security Advisory (SSA:2023-213-01)
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2023-11-01 00:00:00
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2023-10-19 00:00:00
broadcom
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Excessive time spent checking DH q parameter value (CVE-2023-3817)
2024-04-16 00:00:00
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prion
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Security Bulletin: Due to the use of OpenSSL, IBM CICS TX Advanced is vulnerable to a denial of service (DOS) (CVE-2023-3817 and CVE-2023-3446).
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ROS-20230907-04
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K000137969 : OpenSSL vulnerability CVE-2023-3817
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Updated openssl packages fix security vulnerability
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2023-09-30 22:15:40
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2023-11-09 00:00:00
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CVE-2023-3446 vulnerabilities
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Denial Of Service (DoS)
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CVE-2023-3446
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5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

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

6.5 Medium

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.002 Low

EPSS

Percentile

59.4%

JSON
Related for USN-6435-2
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