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GnuPG / libcrypt information leakage
Published:15.09.2014
Source:
SecurityVulns ID:13961
Type:local
Threat Level:
5/10
Description:ElGamal subkeys can be leaked via side-channel.
Affected:GNU : GnuPG 1.4
 LIBCRYPT : libgcrypt 1.5
CVE:CVE-2014-5270 (Libgcrypt before 1.5.4, as used in GnuPG and other products, does not properly perform ciphertext normalization and ciphertext randomization, which makes it easier for physically proximate attackers to conduct key-extraction attacks by leveraging the ability to collect voltage data from exposed metal, a different vector than CVE-2013-4576.)
Original documentdocumentUBUNTU, [USN-2339-1] GnuPG vulnerability (15.09.2014)

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