CVE-2022-43552Medium· 5.9▾ SunlitA use after free vulnerability exists in curl <7.87.0. Curl can be asked to *tunnel* virtually all protocols it supports through an HTTP proxy. HTTP proxies can (and often do) deny such tunnel operations. When getting denied to tunnel th…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 32.5 · likelihood 0.5 · exploitation 0
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Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
2.5%
A use after free vulnerability exists in curl <7.87.0. Curl can be asked to tunnel virtually all protocols it supports through an HTTP proxy. HTTP proxies can (and often do) deny such tunnel operations. When getting denied to tunnel the specific protocols SMB or TELNET, curl would use a heap-allocated struct after it had been freed, in its transfer shutdown code path.
curl < 7.87.0macos >= 13.0, < 13.3universal_forwarder >= 8.2.0, < 8.2.12universal_forwarder >= 9.0.0, < 9.0.6universal_forwarder = 9.1.0Upgrade past the affected range:
curl 7.87.0macos 13.3universal_forwarder 9.0.6Connected by shared product, vendor, weakness, or advisory.
CVE-2022-43551High· 7.5A vulnerability exists in curl <7.87.0 HSTS check that could be bypassed to trick it to keep using HTTP
CVE-2022-42915High· 8.1curl before 7.86.0 has a double free
CVE-2022-42916High· 7.5In curl before 7.86.0, the HSTS check could be bypassed to trick it into staying with HTTP
CVE-2022-35260Medium· 6.5curl can be told to parse a `.netrc` file for credentials
CVE-2022-35252Low· 3.7When curl is used to retrieve and parse cookies from a HTTP(S) server, itaccepts cookies using control codes that when later are sent back to a HTTPserver might make the server return 400 responses
CVE-2022-32221Critical· 9.8When doing HTTP(S) transfers, libcurl might erroneously use the read callback (`CURLOPT_READFUNCTION`) to ask for data to send, even when the `CURLOPT_POSTFIELDS` option has been set, if the same handle previously was used to issue a `PU…