CVE-2017-9526

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Summary

CVECVE-2017-9526
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2017-06-11 02:29:00 UTC
Updated2023-11-07 02:50:00 UTC
DescriptionIn Libgcrypt before 1.7.7, an attacker who learns the EdDSA session key (from side-channel observation during the signing process) can easily recover the long-term secret key. 1.7.7 makes a cipher/ecc-eddsa.c change to store this session key in secure memory, to ensure that constant-time point operations are used in the MPI library.

Risk And Classification

Problem Types: CWE-200

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Gnupg Libgcrypt All All All All

References

ReferenceSourceLinkTags
git.gnupg.org Git - libgcrypt.git/commit git.gnupg.org
CPU July 2018 CONFIRM www.oracle.com
git.gnupg.org Git - libgcrypt.git/commit CONFIRM git.gnupg.org Issue Tracking, Patch, Third Party Advisory
Oracle Critical Patch Update - January 2019 CONFIRM www.oracle.com
Debian -- Security Information -- DSA-3880-1 libgcrypt20 DEBIAN www.debian.org
Libgcrypt 'cipher/ecc-eddsa.c' Information Disclosure Vulnerability BID www.securityfocus.com Third Party Advisory, VDB Entry
git.gnupg.org Git - libgcrypt.git/commit git.gnupg.org
Bug 1042326 – VUL-0: CVE-2017-9526: libgcrypt: timing attack on EdDSA session key CONFIRM bugzilla.suse.com Issue Tracking, Patch
git.gnupg.org Git - libgcrypt.git/commit CONFIRM git.gnupg.org Issue Tracking, Patch, Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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