CVE-2021-33560
Vulnerability from cvelistv5
Published
2021-06-08 00:00
Modified
2024-08-03 23:50
Severity
Summary
Libgcrypt before 1.8.8 and 1.9.x before 1.9.3 mishandles ElGamal encryption because it lacks exponent blinding to address a side-channel attack against mpi_powm, and the window size is not chosen appropriately. This, for example, affects use of ElGamal in OpenPGP.
References
SourceURLTags
cve@mitre.orghttps://dev.gnupg.org/T5305Release Notes, Vendor Advisory
cve@mitre.orghttps://dev.gnupg.org/T5328Vendor Advisory
cve@mitre.orghttps://dev.gnupg.org/T5466Release Notes, Vendor Advisory
cve@mitre.orghttps://dev.gnupg.org/rCe8b7f10be275bcedb5fc05ed4837a89bfd605c61Patch, Vendor Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2021/06/msg00021.htmlMailing List, Third Party Advisory
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BKKTOIGFW2SGN3DO2UHHVZ7MJSYN4AAB/
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R7OAPCUGPF3VLA7QAJUQSL255D4ITVTL/
cve@mitre.orghttps://security.gentoo.org/glsa/202210-13Third Party Advisory
cve@mitre.orghttps://www.oracle.com/security-alerts/cpuapr2022.htmlPatch, Third Party Advisory
cve@mitre.orghttps://www.oracle.com/security-alerts/cpujan2022.htmlPatch, Third Party Advisory
cve@mitre.orghttps://www.oracle.com/security-alerts/cpujul2022.htmlPatch, Third Party Advisory
cve@mitre.orghttps://www.oracle.com/security-alerts/cpuoct2021.htmlThird Party Advisory
Impacted products
VendorProduct
n/an/a
Show details on NVD website

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