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Security: Lacking a check for the return value of EC_KEY_set_public_key_affine_coordinates() #77

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UVScan opened this issue Sep 2, 2022 · 1 comment
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@UVScan
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UVScan commented Sep 2, 2022

Affected components

affected source code file: tools/fwinfogen.c

Attack vector(s)

Lacking a check for the return value of EC_KEY_set_public_key_affine_coordinates.
EC_KEY_set_public_key_affine_coordinates() returns 1 on success or 0 on error.

Suggested description of the vulnerability for use in the CVE

DoS vulnerability in sign_pFwInfo() function in Samsung Electronics mTower v0.3.0 (and earlier) due to a missing check on the return value of EC_KEY_set_public_key_affine_coordinates.

Discoverer(s)/Credits

UVScan

Reference(s)

https://www.openssl.org/docs/manmaster/man3/EC_KEY_set_public_key_affine_coordinates.html

EC_KEY_set_public_key_affine_coordinates(eckey, x, y);

@tdrozdovsky
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The issue will be reviewed and fixed as soon as possible.

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