Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2019-19945

uhttpd 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.

Published

2020-03-16T18:15:12.213

Last Modified

2024-11-21T04:35:42.850

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-125
    CWE-681
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System openwrt openwrt ≤ 18.06.5 Yes
Operating System openwrt openwrt 19.07.0 Yes
Operating System openwrt openwrt 19.07.0 Yes
Operating System openwrt openwrt 19.07.0 Yes
References