Integer Overflow or Wraparound The advisory has been revoked - it doesn't affect any version of package libopenssl-1_1-devel-32bit (opens in a new tab)

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Snyk IDSNYK-SLES150-LIBOPENSSL11DEVEL32BIT-2719269
published14 Apr 2022
disclosed2 Jan 2020

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Introduced: 2 Jan 2020

CVE-2019-1551 (opens in a new tab) CWE-190 (opens in a new tab)

Amendment

The SLES security team deemed this advisory irrelevant for SLES:15.0.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libopenssl-1_1-devel-32bit package and not the libopenssl-1_1-devel-32bit package as distributed by SLES.

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. Fixed in OpenSSL 1.1.1e (Affected 1.1.1-1.1.1d). Fixed in OpenSSL 1.0.2u (Affected 1.0.2-1.0.2t).