Messages in this thread | | | Date | Wed, 10 Feb 2021 18:22:42 +1100 | From | Herbert Xu <> | Subject | Re: [PATCH] crypto: ecdh_helper - Ensure 'len >= secret.len' in decode_key() |
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On Wed, Feb 03, 2021 at 11:28:37AM +0000, Daniele Alessandrelli wrote: > From: Daniele Alessandrelli <daniele.alessandrelli@intel.com> > > The length ('len' parameter) passed to crypto_ecdh_decode_key() is never > checked against the length encoded in the passed buffer ('buf' > parameter). This could lead to an out-of-bounds access when the passed > length is less than the encoded length. > > Add a check to prevent that. > > Signed-off-by: Daniele Alessandrelli <daniele.alessandrelli@intel.com> > --- > crypto/ecdh_helper.c | 3 +++ > 1 file changed, 3 insertions(+)
Patch applied. Thanks. -- Email: Herbert Xu <herbert@gondor.apana.org.au> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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