CVE-2003-0971

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.

5.0

CVSS

Severity: Medium

CVSS 2.0 •

EPSS 1.28% Top 25%

Vendor Advisory redhat.com Vendor Advisory sgi.com Vendor Advisory novell.com Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory mandriva.com Vendor Advisory com.br Vendor Advisory gnupg.org Vendor Advisory securityfocus.com

Affected: n/a n/a

References

Link	Tags
http://www.redhat.com/support/errata/RHSA-2003-395.html	vendor advisory
ftp://patches.sgi.com/support/free/security/advisories/20040202-01-U.asc	vendor advisory
http://www.novell.com/linux/security/advisories/2003_048_gpg.html	vendor advisory
http://www.kb.cert.org/vuls/id/940388	third party advisory us government resource
http://secunia.com/advisories/10349	third party advisory
http://marc.info/?l=bugtraq&m=106995769213221&w=2	mailing list
http://www.debian.org/security/2004/dsa-429	vendor advisory
http://lists.gnupg.org/pipermail/gnupg-announce/2003q4/000276.html	patch vendor advisory
http://www.securityfocus.com/bid/9115	vdb entry patch vendor advisory
http://lists.gnupg.org/pipermail/gnupg-announce/2003q4/000277.html	patch
http://www.redhat.com/support/errata/RHSA-2003-390.html	vendor advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10982	vdb entry signature
http://secunia.com/advisories/10399	third party advisory
http://secunia.com/advisories/10304	third party advisory
http://www.mandriva.com/security/advisories?name=MDKSA-2003:109	vendor advisory
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000798	vendor advisory
http://secunia.com/advisories/10400	third party advisory

Frequently Asked Questions

What is the severity of CVE-2003-0971?: CVE-2003-0971 has been scored as a medium severity vulnerability.
How to fix CVE-2003-0971?: To fix CVE-2003-0971, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2003-0971 being actively exploited in the wild?: It is possible that CVE-2003-0971 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.