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oraclelinuxOracleLinuxELSA-2024-3166
HistoryMay 23, 2024 - 12:00 a.m.

openssh security update

2024-05-2300:00:00
linux.oracle.com
16
openssh
security update
kill switch
scp
terrapin attack
fips compatibility
unix
cve-2020-15778
rhel-22870
rhel-19308
rhel-19788
rhel-5217
rhel-1684
rhel-5221
rhel-11548
rhel-5279
rhel-5321

6.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.9 Medium

AI Score

Confidence

Low

0.004 Low

EPSS

Percentile

72.5%

[8.0p1-24.0.1]

  • Update upstream references [Orabug: 36587718]
    [8.0p1-24]
  • Providing a kill switch for scp to deal with CVE-2020-15778
    Resolves: RHEL-22870
    [8.0p1-23]
  • Fix Terrapin attack
    Resolves: RHEL-19308
    [8.0p1-22]
  • Fix Terrapin attack
    Resolves: RHEL-19308
  • Forbid shell metasymbols in username/hostname
    Resolves: RHEL-19788
    [8.0p1-21]
  • Using DigestSign/DigestVerify functions for better FIPS compatibility
    Resolves: RHEL-5217
    [8.0p1-20]
  • Limit artificial delays in sshd while login using AD user
    Resolves: RHEL-1684
  • Add comment to OpenSSH server config about FIPS-incompatible key
    Resolves: RHEL-5221
  • Avoid killing all processes on system in case of race condition
    Resolves: RHEL-11548
  • Avoid sshd_config 256K limit
    Resolves: RHEL-5279
  • Using DigestSign/DigestVerify functions for better FIPS compatibility
    Resolves: RHEL-5217
  • Fix GSS KEX causing ssh failures when connecting to WinSSHD
    Resolves: RHEL-5321

6.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.9 Medium

AI Score

Confidence

Low

0.004 Low

EPSS

Percentile

72.5%