Race Condition Affecting libzstd package, versions <1.3.3+dfsg-2ubuntu1.1
Snyk CVSS
Attack Complexity
High
Confidentiality
High
Integrity
High
Availability
High
Threat Intelligence
EPSS
2.34% (90th
percentile)
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Test your applications- Snyk ID SNYK-UBUNTU1804-LIBZSTD-455629
- published 26 Jul 2019
- disclosed 25 Jul 2019
Introduced: 25 Jul 2019
CVE-2019-11922 Open this link in a new tabHow to fix?
Upgrade Ubuntu:18.04
libzstd
to version 1.3.3+dfsg-2ubuntu1.1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream libzstd
package and not the libzstd
package as distributed by Ubuntu
.
See How to fix?
for Ubuntu:18.04
relevant fixed versions and status.
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.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2019-11922
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11922
- https://www.facebook.com/security/advisories/cve-2019-11922
- https://security-tracker.debian.org/tracker/CVE-2019-11922
- https://github.com/facebook/zstd/pull/1404/commits/3e5cdf1b6a85843e991d7d10f6a2567c15580da0
- https://www.oracle.com/security-alerts/cpuoct2020.html
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00008.html
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00062.html
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00078.html
- https://usn.ubuntu.com/4108-1/