Vulnerability Monitor

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CVE-2018-1000007

libcurl 7.1 through 7.57.0 might accidentally leak authentication data to third parties. When asked to send custom headers in its HTTP requests, libcurl will send that set of headers first to the host in the initial URL but also, if asked to follow redirects and a 30X HTTP response code is returned, to the host mentioned in URL in the `Location:` response header value. Sending the same set of headers to subsequent hosts is in particular a problem for applications that pass on custom `Authorization:` headers, as this header often contains privacy sensitive information or data that could allow others to impersonate the libcurl-using client's request.

Published

2018-01-24T22:29:00.353

Last Modified

2024-11-21T03:39:24.663

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

CVSSv2 Vector

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

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

10.0

Impact Score

2.9

Weaknesses
  • Type: Primary
    NVD-CWE-noinfo
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application haxx curl ≤ 7.57.0 Yes
Operating System debian debian_linux 7.0 Yes
Operating System debian debian_linux 8.0 Yes
Operating System debian debian_linux 9.0 Yes
Operating System canonical ubuntu_linux 12.04 Yes
Operating System canonical ubuntu_linux 14.04 Yes
Operating System canonical ubuntu_linux 16.04 Yes
Operating System canonical ubuntu_linux 17.10 Yes
Operating System redhat enterprise_linux_desktop 7.0 Yes
Operating System redhat enterprise_linux_server 7.0 Yes
Operating System redhat enterprise_linux_server_aus 7.4 Yes
Operating System redhat enterprise_linux_server_eus 7.4 Yes
Operating System redhat enterprise_linux_server_eus 7.5 Yes
Operating System redhat enterprise_linux_workstation 7.0 Yes
Operating System fujitsu m10-1_firmware < xcp2361 Yes
Hardware fujitsu m10-1 - No
Operating System fujitsu m10-4_firmware < xcp2361 Yes
Hardware fujitsu m10-4 - No
Operating System fujitsu m10-4s_firmware < xcp2361 Yes
Hardware fujitsu m10-4s - No
Operating System fujitsu m12-1_firmware < xcp2361 Yes
Hardware fujitsu m12-1 - No
Operating System fujitsu m12-2_firmware < xcp2361 Yes
Hardware fujitsu m12-2 - No
Operating System fujitsu m12-2s_firmware < xcp2361 Yes
Hardware fujitsu m12-2s - No
Operating System fujitsu m10-1_firmware < xcp3070 Yes
Hardware fujitsu m10-1 - No
Operating System fujitsu m10-4_firmware < xcp3070 Yes
Hardware fujitsu m10-4 - No
Operating System fujitsu m10-4s_firmware < xcp3070 Yes
Hardware fujitsu m10-4s - No
Operating System fujitsu m12-1_firmware < xcp3070 Yes
Hardware fujitsu m12-1 - No
Operating System fujitsu m12-2_firmware < xcp3070 Yes
Hardware fujitsu m12-2 - No
Operating System fujitsu m12-2s_firmware < xcp3070 Yes
Hardware fujitsu m12-2s - No
References