Vulnerability Description
GnuPG before 1.4.14, and Libgcrypt before 1.5.3 as used in GnuPG 2.0.x and possibly other products, allows local users to obtain private RSA keys via a cache side-channel attack involving the L3 cache, aka Flush+Reload.
CVSS Score
LOW
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Canonical | Ubuntu Linux | 10.04 |
| Debian | Debian Linux | 6.0 |
| Gnupg | Gnupg | <= 1.4.13 |
| Gnupg | Libgcrypt | <= 1.5.2 |
| Opensuse | Opensuse | 12.2 |
Related Weaknesses (CWE)
References
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=717880
- http://eprint.iacr.org/2013/448
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705
- http://lists.gnupg.org/pipermail/gnupg-announce/2013q3/000330.html
- http://lists.opensuse.org/opensuse-updates/2013-08/msg00003.htmlVendor Advisory
- http://rhn.redhat.com/errata/RHSA-2013-1457.html
- http://secunia.com/advisories/54318Vendor Advisory
- http://secunia.com/advisories/54321Vendor Advisory
- http://secunia.com/advisories/54332Vendor Advisory
- http://secunia.com/advisories/54375Vendor Advisory
- http://www.debian.org/security/2013/dsa-2730
- http://www.debian.org/security/2013/dsa-2731
- http://www.kb.cert.org/vuls/id/976534US Government Resource
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.htm
- http://www.securityfocus.com/bid/61464
FAQ
What is CVE-2013-4242?
CVE-2013-4242 is a vulnerability with a CVSS score of 1.9 (LOW). GnuPG before 1.4.14, and Libgcrypt before 1.5.3 as used in GnuPG 2.0.x and possibly other products, allows local users to obtain private RSA keys via a cache side-channel attack involving the L3 cache...
How severe is CVE-2013-4242?
CVE-2013-4242 has been rated LOW with a CVSS base score of 1.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2013-4242?
Check the references section above for vendor advisories and patch information. Affected products include: Canonical Ubuntu Linux, Debian Debian Linux, Gnupg Gnupg, Gnupg Libgcrypt, Opensuse Opensuse.