openssl: 1.1.1f → 1.1.1g #85732
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openssl: 1.1.1f → 1.1.1g #85732
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Fixes: CVE-2020-1967 Segmentation fault in SSL_check_chain (CVE-2020-1967) ===================================================== Severity: High Server or client applications that call the SSL_check_chain() function during or after a TLS 1.3 handshake may crash due to a NULL pointer dereference as a result of incorrect handling of the "signature_algorithms_cert" TLS extension. The crash occurs if an invalid or unrecognised signature algorithm is received from the peer. This could be exploited by a malicious peer in a Denial of Service attack. OpenSSL version 1.1.1d, 1.1.1e, and 1.1.1f are affected by this issue. This issue did not affect OpenSSL versions prior to 1.1.1d. Affected OpenSSL 1.1.1 users should upgrade to 1.1.1g This issue was found by Bernd Edlinger and reported to OpenSSL on 7th April 2020. It was found using the new static analysis pass being implemented in GCC, - -fanalyzer. Additional analysis was performed by Matt Caswell and Benjamin Kaduk.
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security updates may go into staging-next directly instead of via staging. Given staging-next will most likely be merged into master today anyway this commit should end up in the new staging-next today and probably in master in two days or so. |
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Motivation for this change
Fixes: CVE-2020-1967
Things done
sandboxinnix.confon non-NixOS linux)nix-shell -p nixpkgs-review --run "nixpkgs-review wip"./result/bin/)nix path-info -Sbefore and after)