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0.348.0
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@cf-buildpacks-eng cf-buildpacks-eng released this 05 Jan 21:45
· 21 commits to main since this release
0.348.0
1c13650

Notably, this release addresses:

USN-5788-1 USN-5788-1: curl vulnerabilities:

  • CVE-2022-43551: A vulnerability exists in curl <7.87.0 HSTS check that could be bypassed to trick it to keep using HTTP. Using its HSTS support, curl can be instructed to use HTTPS instead of using an insecure clear-text HTTP step even when HTTP is provided in the URL. However, the HSTS mechanism could be bypassed if the host name in the given URL first uses IDN characters that get replaced to ASCII counterparts as part of the IDN conversion. Like using the character UTF-8 U+3002 (IDEOGRAPHIC FULL STOP) instead of the common ASCII full stop (U+002E) .. Then in a subsequent request, it does not detect the HSTS state and makes a clear text transfer. Because it would store the info IDN encoded but look for it IDN decoded.
  • CVE-2022-43552: HTTP Proxy deny use-after-free
  • CVE-2022-43551: A vulnerability exists in curl <7.87.0 HSTS check that could be bypassed to trick it to keep using HTTP. Using its HSTS support, curl can be instructed to use HTTPS instead of using an insecure clear-text HTTP step even when HTTP is provided in the URL. However, the HSTS mechanism could be bypassed if the host name in the given URL first uses IDN characters that get replaced to ASCII counterparts as part of the IDN conversion. Like using the character UTF-8 U+3002 (IDEOGRAPHIC FULL STOP) instead of the common ASCII full stop (U+002E) .. Then in a subsequent request, it does not detect the HSTS state and makes a clear text transfer. Because it would store the info IDN encoded but look for it IDN decoded.
  • CVE-2022-43552: HTTP Proxy deny use-after-free
-ii  curl                       7.58.0-2ubuntu3.21  amd64  command line tool for transferring data with URL syntax
+ii  curl                       7.58.0-2ubuntu3.22  amd64  command line tool for transferring data with URL syntax
-ii  libcurl3-gnutls:amd64      7.58.0-2ubuntu3.21  amd64  easy-to-use client-side URL transfer library (GnuTLS flavour)
-ii  libcurl4:amd64             7.58.0-2ubuntu3.21  amd64  easy-to-use client-side URL transfer library (OpenSSL flavour)
-ii  libcurl4-openssl-dev:amd64 7.58.0-2ubuntu3.21  amd64  development files and documentation for libcurl (OpenSSL flavour)
+ii  libcurl3-gnutls:amd64      7.58.0-2ubuntu3.22  amd64  easy-to-use client-side URL transfer library (GnuTLS flavour)
+ii  libcurl4:amd64             7.58.0-2ubuntu3.22  amd64  easy-to-use client-side URL transfer library (OpenSSL flavour)
+ii  libcurl4-openssl-dev:amd64 7.58.0-2ubuntu3.22  amd64  development files and documentation for libcurl (OpenSSL flavour)
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