CVE-2003-0971
First published: Tue Dec 02 2003(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| GnuPG | =1.0.2 | |
| GnuPG | =1.0.3 | |
| GnuPG | =1.0.3b | |
| GnuPG | =1.0.4 | |
| GnuPG | =1.0.5 | |
| GnuPG | =1.0.6 | |
| GnuPG | =1.0.7 | |
| GnuPG | =1.2 | |
| GnuPG | =1.2.1 | |
| GnuPG | =1.2.2 | |
| GnuPG | =1.2.2-rc1 | |
| GnuPG | =1.2.3 |
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Reference Links
- http://lists.gnupg.org/pipermail/gnupg-announce/2003q4/000276.html
- http://lists.gnupg.org/pipermail/gnupg-announce/2003q4/000277.html
- http://www.securityfocus.com/bid/9115
- 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.debian.org/security/2004/dsa-429
- http://www.kb.cert.org/vuls/id/940388
- http://secunia.com/advisories/10304
- http://secunia.com/advisories/10349
- http://secunia.com/advisories/10399
- http://secunia.com/advisories/10400
- http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000798
- http://www.mandriva.com/security/advisories?name=MDKSA-2003:109
- http://marc.info/?l=bugtraq&m=106995769213221&w=2
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10982
Frequently Asked Questions
What is the severity of CVE-2003-0971?
CVE-2003-0971 has a high severity as it allows attackers to deduce the private key from a signature.
How do I fix CVE-2003-0971?
The fix for CVE-2003-0971 is to upgrade GnuPG to version 1.2.4 or later.
What versions of GnuPG are affected by CVE-2003-0971?
CVE-2003-0971 affects GnuPG versions 1.0.2 through 1.2.3.
What type of cryptographic keys are impacted by CVE-2003-0971?
CVE-2003-0971 affects ElGamal type 20 keys which are used for signing and encrypting.
Can CVE-2003-0971 be exploited remotely?
CVE-2003-0971 requires local access, making remote exploitation unlikely.
- agent/references
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- source/MITRE
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- agent/severity
- agent/last-modified-date
- agent/weakness
- agent/remedy
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- agent/event
- agent/description
- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- collector/nvd-historical
- vendor/gnu
- product/privacy guard
- canonical/gnu privacy guard
- canonical/gnupg
- version/gnupg/1.0.2
- version/gnupg/1.0.3
- version/gnupg/1.0.3b
- version/gnupg/1.0.4
- version/gnupg/1.0.5
- version/gnupg/1.0.6
- version/gnupg/1.0.7
- version/gnupg/1.2
- version/gnupg/1.2.1
- version/gnupg/1.2.2
- version/gnupg/1.2.2-rc1
- version/gnupg/1.2.3