National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2019-11922 Detail

Current Description

A race condition in the one-pass compression functions of Zstandard prior to version 1.3.8 could allow an attacker to write bytes out of bounds if an output buffer smaller than the recommended size was used.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 8.1 HIGH
Vector: AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 2.2


Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 6.8 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 8.6


Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00008.html
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00062.html
https://github.com/facebook/zstd/pull/1404/commits/3e5cdf1b6a85843e991d7d10f6a2567c15580da0 Patch Third Party Advisory
https://usn.ubuntu.com/4108-1/
https://www.facebook.com/security/advisories/cve-2019-11922 Vendor Advisory

Technical Details

Vulnerability Type (View All)

  • Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') (CWE-362)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:facebook:zstandard:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
1.3.8


Change History

4 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2019-11922
NVD Published Date:
07/25/2019
NVD Last Modified:
08/12/2019