Security update for cosign

Announcement ID: SUSE-SU-2024:0430-1
Rating: moderate
References:
Cross-References:
CVSS scores:
  • CVE-2023-48795 ( SUSE ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
  • CVE-2023-48795 ( NVD ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Affected Products:
  • Basesystem Module 15-SP5
  • openSUSE Leap 15.4
  • openSUSE Leap 15.5
  • SUSE Linux Enterprise Desktop 15 SP5
  • SUSE Linux Enterprise High Performance Computing 15 SP5
  • SUSE Linux Enterprise Real Time 15 SP5
  • SUSE Linux Enterprise Server 15 SP5
  • SUSE Linux Enterprise Server for SAP Applications 15 SP5

An update that solves one vulnerability and contains one feature can now be installed.

Description:

This update for cosign fixes the following issues:

Updated to 2.2.3 (jsc#SLE-23879):

Bug Fixes:

  • Fix race condition on verification with multiple signatures attached to image (#3486)
  • fix(clean): Fix clean cmd for private registries (#3446)
  • Fixed BYO PKI verification (#3427)

Features:

  • Allow for option in cosign attest and attest-blob to upload attestation as supported in Rekor (#3466)
  • Add support for OpenVEX predicate type (#3405)

Documentation:

  • Resolves #3088: version sub-command expected behaviour documentation and testing (#3447)
  • add examples for cosign attach signature cmd (#3468)

Misc:

  • Remove CertSubject function (#3467)

  • Use local rekor and fulcio instances in e2e tests (#3478)

  • bumped embedded golang.org/x/crypto/ssh to fix the Terrapin attack CVE-2023-48795 (bsc#1218207)

Updated to 2.2.2 (jsc#SLE-23879):

v2.2.2 adds a new container with a shell, gcr.io/projectsigstore/cosign:vx.y.z-dev, in addition to the existing container gcr.io/projectsigstore/cosign:vx.y.z without a shell.

For private deployments, we have also added an alias for --insecure-skip-log, --private-infrastructure.

Bug Fixes:

  • chore(deps): bump github.com/sigstore/sigstore from 1.7.5 to 1.7.6 (#3411) which fixes a bug with using Azure KMS
  • Don't require CT log keys if using a key/sk (#3415)
  • Fix copy without any flag set (#3409)
  • Update cosign generate cmd to not include newline (#3393)
  • Fix idempotency error with signing (#3371)

Features:

  • Add --yes flag cosign import-key-pair to skip the overwrite confirmation. (#3383)
  • Use the timeout flag value in verify* commands. (#3391)
  • add --private-infrastructure flag (#3369)

Container Updates:

  • Bump builder image to use go1.21.4 and add new cosign image tags with shell (#3373)

Documentation:

  • Update SBOM_SPEC.md (#3358)

  • CVE-2023-48795: Fixed the Terrapin attack in embedded golang.org/x/crypto/ssh (bsc#1218207).

Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

  • Basesystem Module 15-SP5
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP5-2024-430=1
  • openSUSE Leap 15.4
    zypper in -t patch SUSE-2024-430=1
  • openSUSE Leap 15.5
    zypper in -t patch openSUSE-SLE-15.5-2024-430=1

Package List:

  • Basesystem Module 15-SP5 (aarch64 ppc64le s390x x86_64)
    • cosign-2.2.3-150400.3.17.1
  • openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64 i586)
    • cosign-2.2.3-150400.3.17.1
    • cosign-debuginfo-2.2.3-150400.3.17.1
  • openSUSE Leap 15.5 (aarch64 ppc64le s390x x86_64)
    • cosign-2.2.3-150400.3.17.1

References: