Vulnerability CVE-2003-0971
Published: 2003-12-15   Modified: 2012-02-12

Description:
GnuPG (GPG) 1.0.2, and other versions up to 1.2.3, creates ElGamal type 20 (sign+encrypt) keys using the same key component for encryption as for signing, which allows attackers to determine the private key from a signature.

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None
Affected software
GNU -> Privacy guard 

 References:
ftp://patches.sgi.com/support/free/security/advisories/20040202-01-U.asc
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000798
http://lists.gnupg.org/pipermail/gnupg-announce/2003q4/000276.html
http://lists.gnupg.org/pipermail/gnupg-announce/2003q4/000277.html
http://marc.info/?l=bugtraq&m=106995769213221&w=2
http://www.debian.org/security/2004/dsa-429
http://www.kb.cert.org/vuls/id/940388
http://www.mandriva.com/security/advisories?name=MDKSA-2003:109
http://www.novell.com/linux/security/advisories/2003_048_gpg.html
http://www.redhat.com/support/errata/RHSA-2003-390.html
http://www.redhat.com/support/errata/RHSA-2003-395.html
http://www.securityfocus.com/bid/9115
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10982
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