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Ubuntu.comUB:CVE-2015-3153HistoryApr 29, 2015 - 12:00 a.m.
CVE-2015-3153
2015-04-2900:00:00
ubuntu.com
ubuntu.com
9
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
0.004 Low
EPSS
Percentile
72.6%
The default configuration for cURL and libcurl before 7.42.1 sends custom
HTTP headers to both the proxy and destination server, which might allow
remote proxy servers to obtain sensitive information by reading the header
contents.
Notes
| Author | Note |
|---|---|
| mdeslaur | in curl versions before 7.37.0, the same headers are always sent to both the destination server and the proxy. In 7.37.0, two new options were introduced to control which headers are sent to the server and which headers are sent to the proxy: CURLOPT_HEADEROPT and CURLOPT_PROXYHEADER. The default is to send the headers to both servers, contrary to expectations. The fix is to change the default to send separate headers. Introducing split header functionality in older versions of curl is intrusive, and will change behaviour. We will not be fixing this issue in Ubuntu 14.04 LTS and earlier. |
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5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
0.004 Low
EPSS
Percentile
72.6%
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