CVE-2019-19945

MITRE NVD CVE.ORG Print: PDF PDF

Summary

CVECVE-2019-19945
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-03-16 18:15:00 UTC
Updated2023-05-24 15:01:00 UTC
Descriptionuhttpd in OpenWrt through 18.06.5 and 19.x through 19.07.0-rc2 has an integer signedness error. This leads to out-of-bounds access to a heap buffer and a subsequent crash. It can be triggered with an HTTP POST request to a CGI script, specifying both "Transfer-Encoding: chunked" and a large negative Content-Length value.

Risk And Classification

Problem Types: CWE-125 | CWE-681

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Openwrt Openwrt 19.07.0 - All All
Application Openwrt Openwrt 19.07.0 rc1 All All
Application Openwrt Openwrt 19.07.0 rc2 All All
Operating System Openwrt Openwrt 19.07.0 - All All
Operating System Openwrt Openwrt 19.07.0 rc1 All All
Operating System Openwrt Openwrt 19.07.0 rc2 All All
Application Openwrt Openwrt 19.07.0 - All All
Application Openwrt Openwrt 19.07.0 rc1 All All
Application Openwrt Openwrt 19.07.0 rc2 All All
Application Openwrt Openwrt All All All All
Operating System Openwrt Openwrt All All All All

References

ReferenceSourceLinkTags
Commits · openwrt/openwrt · GitHub MISC github.com Patch, Third Party Advisory
OpenWrt Project: Security Advisory 2020-01-13-1 - uhttpd invalid data access via HTTP POST request (CVE-2019-19945) CONFIRM openwrt.org Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
© CVE.report 2026 |

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

CVE.report and Source URL Uptime Status status.cve.report