CVE-2019-11922

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.

CVSS v3.0 8.1 HIGH
CVSS v2.0 6.8 MEDIUM

8.1^/10

CVSS v3.0 : HIGH

Vector : AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability : 2.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://www.facebook.com/security/advisories/cve-2019-11922	Vendor Advisory
https://github.com/facebook/zstd/pull/1404/commits/3e5cdf1b6a85843e991d7d10f6a2567c15580da0	Patch Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00008.html
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00062.html
https://usn.ubuntu.com/4108-1/
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00078.html
https://www.oracle.com/security-alerts/cpuoct2020.html

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Configurations

Configuration 1 (hide)

cpe:2.3:a:facebook:zstandard:*:*:*:*:*:*:*:*

Information

Published : 2019-07-25 14:15

Updated : 2020-10-20 15:15

NVD link : CVE-2019-11922

Mitre link : CVE-2019-11922

JSON object : View

CWE

CWE-362

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

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Products Affected

facebook

zstandard

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