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CVE-2019-17362
Description
In LibTomCrypt through 1.18.2, the der_decode_utf8_string function (in der_decode_utf8_string.c) does not properly detect certain invalid UTF-8 sequences. This allows context-dependent attackers to cause a denial of service (out-of-bounds read and crash) or read information from other memory locations via carefully crafted DER-encoded data.
POC
Reference
- https://github.com/libtom/libtomcrypt/issues/507
- https://github.com/libtom/libtomcrypt/issues/507
- https://github.com/libtom/libtomcrypt/pull/508
- https://github.com/libtom/libtomcrypt/pull/508
- https://vuldb.com/?id.142995
- https://vuldb.com/?id.142995
Github
No PoCs found on GitHub currently.