diff options
author | 2022-01-18 15:56:41 +0100 | |
---|---|---|
committer | 2023-02-03 21:04:39 -0500 | |
commit | bf73623ecc24af3dd0637c8cb5e204b1edebed22 (patch) | |
tree | 16f9947ace817a501c67f96c6ca02598681fc75d /docs/gettingstarted/developers/buildsystem | |
parent | 73fdb095b36ce6b780cf6d1a6c20effe2e9a684a (diff) |
ipsec: fix AES CBC IV generation (CVE-2022-46397)stable/2202
For AES-CBC, the IV must be unpredictable (see NIST SP800-38a Appendix
C). Chaining IVs like is done by ipsecmb and native backends for the
VNET_CRYPTO_OP_FLAG_INIT_IV is fully predictable.
Encrypt a counter as part of the message, making the (predictable)
counter-generated IV unpredictable.
Fixes: VPP-2037
Type: fix
Change-Id: If4f192d62bf97dda553e7573331c75efa11822ae
Signed-off-by: Benoît Ganne <bganne@cisco.com>
Diffstat (limited to 'docs/gettingstarted/developers/buildsystem')
0 files changed, 0 insertions, 0 deletions