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ubuntucveUbuntu.comUB:CVE-2018-0735
HistoryOct 29, 2018 - 12:00 a.m.

CVE-2018-0735

2018-10-2900:00:00
ubuntu.com
ubuntu.com
8

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.005 Low

EPSS

Percentile

75.5%

JSON

The OpenSSL ECDSA signature algorithm has been shown to be vulnerable to a
timing side channel attack. An attacker could use variations in the signing
algorithm to recover the private key. Fixed in OpenSSL 1.1.0j (Affected
1.1.0-1.1.0i). Fixed in OpenSSL 1.1.1a (Affected 1.1.1).

Notes

Author Note
mdeslaur this may be introduced by the fix for CVE-2018-5407
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchopenssl< 1.1.0g-2ubuntu4.3UNKNOWN
ubuntu18.10noarchopenssl< 1.1.1-1ubuntu2.1UNKNOWN
ubuntu19.04noarchopenssl< 1.1.1a-1ubuntu2UNKNOWN
ubuntu19.10noarchopenssl< 1.1.1a-1ubuntu2UNKNOWN
ubuntu20.04noarchopenssl< 1.1.1a-1ubuntu2UNKNOWN
ubuntu20.10noarchopenssl< 1.1.1a-1ubuntu2UNKNOWN
ubuntu21.04noarchopenssl< 1.1.1a-1ubuntu2UNKNOWN

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5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.005 Low

EPSS

Percentile

75.5%

JSON
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