CVE-2019-7309 - Vulnerability Details - OpenCVE

Description

In the GNU C Library (aka glibc or libc6) through 2.29, the memcmp function for the x32 architecture can incorrectly return zero (indicating that the inputs are equal) because the RDX most significant bit is mishandled.

Published: 2019-02-03

Score: 5.5 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

No analysis available yet.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:x86:*

No data.

No data available yet.

Remediation

No remediation available yet.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2019-16853	In the GNU C Library (aka glibc or libc6) through 2.29, the memcmp function for the x32 architecture can incorrectly return zero (indicating that the inputs are equal) because the RDX most significant bit is mishandled.

No CVSS v4.0

No CVSS v3.1

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

Access Vector Local

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00607.

Key SSVC decision points have not yet been added.

References

Link	Providers
http://www.securityfocus.com/bid/106835
https://nvd.nist.gov/vuln/detail/CVE-2019-7309
https://security.gentoo.org/glsa/202006-04
https://sourceware.org/bugzilla/show_bug.cgi?id=24155
https://sourceware.org/ml/libc-alpha/2019-02/msg00041.html
https://www.cve.org/CVERecord?id=CVE-2019-7309

History

No history.

Subscriptions

Gnu Glibc

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2019-02-03T02:00:00.000Z

Updated: 2024-08-04T20:46:46.043Z

Reserved: 2019-02-02T00:00:00.000Z

Link: CVE-2019-7309

Vulnrichment

No data.

NVD

Status : Modified

Published: 2019-02-03T02:29:00.237

Modified: 2026-06-17T02:40:25.837

Link: CVE-2019-7309

Redhat

Severity : Low

Publid Date: 2019-02-02T00:00:00Z

Links: CVE-2019-7309 - Bugzilla

OpenCVE Enrichment

No data.

Weaknesses

CWE-393
Return of Wrong Status Code
NVD-CWE-noinfo

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