CVE-2017-2623

It was discovered that rpm-ostree and rpm-ostree-client before 2017.3 fail to properly check GPG...

5.3 MediumFix available

It was discovered that rpm-ostree and rpm-ostree-client before 2017.3 fail to properly check GPG signatures on packages when doing layering. Packages with unsigned or badly signed content could fail to be rejected as expected. This issue is partially mitigated on RHEL Atomic Host, where certificate pinning is used by default.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: High
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: None
Integrity: High
Availability: None

Exploit likelihood

1.01%Up 0.2 points since Apr 14, 2021

What each source reports

CVE List Score used 5.3

Record: CVE-2017-2623
CVSS 3.0: 5.3 MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
Weakness: CWE-295
Updated: 2026-11-02

EUVDEUVD-2017-11784 5.3

Record: EUVD-2017-11784
CVSS 3.0: 5.3 MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
Updated: 2026-11-03

GitHub AdvisoriesGHSA-v473-h83f-x76x 5.3

It was discovered that rpm-ostree and rpm-ostree-client before 2017.3 fail to properly check GPG...

Record: GHSA-v473-h83f-x76x
CVSS 3.0: 5.3 MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
Weakness: CWE-295
Updated: 2026-11-02

NVD 5.3

Record: CVE-2017-2623
CVSS 3.0: 5.3 MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
CVSS 2.0: 4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness: CWE-295
Updated: 2026-11-02

OSVRHSA-2017:0444 5.3

Red Hat Security Advisory: rpm-ostree and rpm-ostree-client security, bug fix, and enhancement update

Record: RHSA-2017:0444
CVSS 3.0: 5.3 MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`rpm-ostree` Red Hat:rhel_atomic:7	before 0:2017.1-5.atomic.el7	0:2017.1-5.atomic.el7
`rpm-ostree-client` Red Hat:rhel_atomic:7	before 0:2017.1-6.atomic.el7	0:2017.1-6.atomic.el7
`rpm-ostree-client-debuginfo` Red Hat:rhel_atomic:7	before 0:2017.1-6.atomic.el7	0:2017.1-6.atomic.el7
`rpm-ostree-debuginfo` Red Hat:rhel_atomic:7	before 0:2017.1-5.atomic.el7	0:2017.1-5.atomic.el7

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2017-2623 is a medium vulnerability (CVSS 5.3) in Rpm-ostree, published July 27, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.01%, the 63rd percentile. Fixed in rpm-ostree 0:2017.1-5.atomic.el7.

References

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