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redhatRedHatRHSA-2023:7762
HistoryDec 12, 2023 - 4:42 p.m.

(RHSA-2023:7762) Moderate: skopeo security update

2023-12-1216:42:25
access.redhat.com
22
skopeo command
image inspection
container image registries
image layers
signatures
certificate chains
large rsa keys
html comments
script contexts
special tags
panic
quic connections
cvss score
references section
security update

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

7.2 High

AI Score

Confidence

Low

0.001 Low

EPSS

Percentile

38.0%

The skopeo command lets you inspect images from container image registries, get images and image layers, and use signatures to create and verify files.

Security Fix(es):

  • golang: crypto/tls: slow verification of certificate chains containing large RSA keys (CVE-2023-29409)

  • golang: html/template: improper handling of HTML-like comments within script contexts (CVE-2023-39318)

  • golang: html/template: improper handling of special tags within script contexts (CVE-2023-39319)

  • golang: crypto/tls: panic when processing post-handshake message on QUIC connections (CVE-2023-39321)

  • golang: crypto/tls: lack of a limit on buffered post-handshake (CVE-2023-39322)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

7.2 High

AI Score

Confidence

Low

0.001 Low

EPSS

Percentile

38.0%