CVE-2019-20637

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Summary

CVECVE-2019-20637
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-04-08 23:15:00 UTC
Updated2022-08-02 19:03:00 UTC
DescriptionAn issue was discovered in Varnish Cache before 6.0.5 LTS, 6.1.x and 6.2.x before 6.2.2, and 6.3.x before 6.3.1. It does not clear a pointer between the handling of one client request and the next request within the same connection. This sometimes causes information to be disclosed from the connection workspace, such as data structures associated with previous requests within this connection or VCL-related temporary headers.

Risk And Classification

Problem Types: CWE-212

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Opensuse Backports Sle 15.0 sp1 All All
Operating System Opensuse Leap 15.1 All All All
Application Varnish-cache Varnish Cache All All All All
Application Varnish-cache Varnish Cache All All All All
Application Varnish-cache Varnish Cache All All All All
Application Varnish-cache Varnish Cache All All All All
Application Varnish-software Varnish Cache All All All All

References

ReferenceSourceLinkTags
[security-announce] openSUSE-SU-2020:0819-1: moderate: Security update f SUSE lists.opensuse.org
[security-announce] openSUSE-SU-2020:0808-1: moderate: Security update f SUSE lists.opensuse.org
VSV00004 Workspace information leak — Varnish HTTP Cache MISC varnish-cache.org Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 198827 Ubuntu Security Notification for Varnish Cache Vulnerabilities (USN-5474-1)
  • 376890 Alibaba Cloud Linux Security Update for varnish:6 (ALINUX3-SA-2022:0024)
  • 940035 AlmaLinux Security Update for varnish:6 (ALSA-2020:4756)
  • 960778 Rocky Linux Security Update for varnish:6 (RLSA-2020:4756)
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