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OVAL Definitions
>
OVAL Definition Details
Id
oval:com.altx-soft.nix:def:11512
[Rus]
Version
2
Class
patch
ALTXid
134424
Language
English
Severity
NotAvailable
Title
DSA-010-1 -- gnupg -- cheating with detached signatures, circumvention of web of trust
Description
Two bugs in GnuPG have recently been found: false positives when verifying detached signatures There is a problem in the way gpg checks detached signatures which can lead to false positives. Detached signature can be verified with a command like this: gpg --verify detached.sig < mydata If someone replaced detached.sig with a signed text (ie not a detached signature) and then modified mydata gpg would still report a successfully verified signature. To fix this, the way the --verify option works has been changed: It now needs two options when verifying detached signatures: Both the file with the detached signature, and the file with the data to be verified. Please note that this makes it incompatible with older versions! secret keys are silently imported Florian Weimer discovered that gpg would import secret keys from key-servers. Since gpg considers public keys corresponding to known secret keys to be ultimately trusted an attacker can use this to circumvent the web of trust. To fix this a new option was added to tell gpg it is allowed to import secret keys: --allow-key-import.
Family
unix
Platform
Debian GNU/Linux 2.2
Product
gnupg
Reference
VENDOR: DSA-010-1
VENDOR: DSA-010-1
Id:
DSA-010-1
Reference:
https://www.debian.org/security/2000/20001225b
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