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.
Affected products
- gnu / privacy_guard1.0.2 – 1.0.2
- gnu / privacy_guard1.0.3 – 1.0.3
- gnu / privacy_guard1.0.3b – 1.0.3b
- gnu / privacy_guard1.0.4 – 1.0.4
- gnu / privacy_guard1.0.5 – 1.0.5
- gnu / privacy_guard1.0.6 – 1.0.6
- gnu / privacy_guard1.0.7 – 1.0.7
- gnu / privacy_guard1.2 – 1.2
- gnu / privacy_guard1.2.1 – 1.2.1
- gnu / privacy_guard1.2.2 – 1.2.2
- gnu / privacy_guard1.2.2 – 1.2.2
- gnu / privacy_guard1.2.3 – 1.2.3
References
- MISChttp://www.redhat.com/support/errata/RHSA-2003-395.html
- VENDOR_ADVISORYftp://patches.sgi.com/support/free/security/advisories/20040202-01-U.asc
- VENDOR_ADVISORYhttp://www.novell.com/linux/security/advisories/2003_048_gpg.html
- MISChttp://www.kb.cert.org/vuls/id/940388
- VENDOR_ADVISORYhttp://secunia.com/advisories/10349
- MAILING_LISThttp://marc.info/?l=bugtraq&m=106995769213221&w=2
- VENDOR_ADVISORYhttp://www.debian.org/security/2004/dsa-429
- MAILING_LISThttp://lists.gnupg.org/pipermail/gnupg-announce/2003q4/000276.html
- MISChttp://www.securityfocus.com/bid/9115
- MAILING_LISThttp://lists.gnupg.org/pipermail/gnupg-announce/2003q4/000277.html
- MISChttp://www.redhat.com/support/errata/RHSA-2003-390.html
- MISChttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10982
- VENDOR_ADVISORYhttp://secunia.com/advisories/10399
- VENDOR_ADVISORYhttp://secunia.com/advisories/10304
- VENDOR_ADVISORYhttp://www.mandriva.com/security/advisories?name=MDKSA-2003:109
- MISChttp://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000798
- VENDOR_ADVISORYhttp://secunia.com/advisories/10400