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CVE
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CVE-2018-1000007Date: (C)2018-01-30   (M)2024-02-22


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.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 9.8CVSS Score : 5.0
Exploit Score: 3.9Exploit Score: 10.0
Impact Score: 5.9Impact Score: 2.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: NETWORKAccess Vector: NETWORK
Attack Complexity: LOWAccess Complexity: LOW
Privileges Required: NONEAuthentication: NONE
User Interaction: NONEConfidentiality: PARTIAL
Scope: UNCHANGEDIntegrity: NONE
Confidentiality: HIGHAvailability: NONE
Integrity: HIGH 
Availability: HIGH 
  
Reference:
SECTRACK-1040274
DSA-4098
RHBA-2019:0327
RHSA-2018:3157
RHSA-2018:3558
RHSA-2019:1543
RHSA-2020:0544
RHSA-2020:0594
USN-3554-1
USN-3554-2
https://lists.debian.org/debian-lts-announce/2018/01/msg00038.html
http://www.openwall.com/lists/oss-security/2022/04/27/4
https://curl.haxx.se/docs/adv_2018-b3bf.html
https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html

CPE    142
cpe:/o:debian:debian_linux:9.0
cpe:/a:haxx:curl:7.21.0
cpe:/a:haxx:curl:7.40.0
cpe:/a:haxx:curl:7.21.3
...
CWE    1
CWE-200
OVAL    24
oval:org.secpod.oval:def:1600843
oval:org.secpod.oval:def:1800161
oval:org.secpod.oval:def:1800705
oval:org.secpod.oval:def:89043691
...

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