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Fix typo in CVE-2019-1551 advisory #4

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Sep 10, 2024
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Fix typo in CVE-2019-1551 advisory #4

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2 changes: 1 addition & 1 deletion secadv/20191206.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -6,7 +6,7 @@ rsaz_512_sqr overflow bug on x86_64 (CVE-2019-1551)

Severity: Low

There is an overflow bug in the x64_64 Montgomery squaring procedure used in
There is an overflow bug in the x86_64 Montgomery squaring procedure used in
exponentiation with 512-bit moduli. No EC algorithms are affected. Analysis
suggests that attacks against 2-prime RSA1024, 3-prime RSA1536, and DSA1024 as a
result of this defect would be very difficult to perform and are not believed
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2 changes: 1 addition & 1 deletion secjson/CVE-2019-1551.json
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Expand Up @@ -33,7 +33,7 @@
"descriptions": [
{
"lang": "en",
"value": "There is an overflow bug in the x64_64 Montgomery squaring procedure used in exponentiation with 512-bit moduli. No EC algorithms are affected. Analysis suggests that attacks against 2-prime RSA1024, 3-prime RSA1536, and DSA1024 as a result of this defect would be very difficult to perform and are not believed likely. Attacks against DH512 are considered just feasible. However, for an attack the target would have to re-use the DH512 private key, which is not recommended anyway. Also applications directly using the low level API BN_mod_exp may be affected if they use BN_FLG_CONSTTIME."
"value": "There is an overflow bug in the x86_64 Montgomery squaring procedure used in exponentiation with 512-bit moduli. No EC algorithms are affected. Analysis suggests that attacks against 2-prime RSA1024, 3-prime RSA1536, and DSA1024 as a result of this defect would be very difficult to perform and are not believed likely. Attacks against DH512 are considered just feasible. However, for an attack the target would have to re-use the DH512 private key, which is not recommended anyway. Also applications directly using the low level API BN_mod_exp may be affected if they use BN_FLG_CONSTTIME."
}
],
"metrics": [
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