CVE-2013-4242: Infoleak
First published: Mon Aug 19 2013(Updated: )
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.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Ubuntu | =10.04 | |
| Ubuntu | =12.04 | |
| Ubuntu | =12.10 | |
| Ubuntu | =13.04 | |
| Debian | =6.0 | |
| Debian | =7.0 | |
| GnuPG 2 (Gnu Privacy Guard) | <=1.4.13 | |
| GnuPG 2 (Gnu Privacy Guard) | =0.0.0 | |
| GnuPG 2 (Gnu Privacy Guard) | =0.2.15 | |
| GnuPG 2 (Gnu Privacy Guard) | =0.2.16 | |
| GnuPG 2 (Gnu Privacy Guard) | =0.2.17 | |
| GnuPG 2 (Gnu Privacy Guard) | =0.2.18 | |
| GnuPG 2 (Gnu Privacy Guard) | =0.2.19 | |
| GnuPG 2 (Gnu Privacy Guard) | =0.3.0 | |
| GnuPG 2 (Gnu Privacy Guard) | =0.3.1 | |
| GnuPG 2 (Gnu Privacy Guard) | =0.3.2 | |
| GnuPG 2 (Gnu Privacy Guard) | =0.3.3 | |
| GnuPG 2 (Gnu Privacy Guard) | =0.3.4 | |
| GnuPG 2 (Gnu Privacy Guard) | =0.3.5 | |
| GnuPG 2 (Gnu Privacy Guard) | =0.4.0 | |
| GnuPG 2 (Gnu Privacy Guard) | =0.4.1 | |
| GnuPG 2 (Gnu Privacy Guard) | =0.4.3 | |
| GnuPG 2 (Gnu Privacy Guard) | =0.4.4 | |
| GnuPG 2 (Gnu Privacy Guard) | =0.4.5 | |
| GnuPG 2 (Gnu Privacy Guard) | =0.9.0 | |
| GnuPG 2 (Gnu Privacy Guard) | =0.9.1 | |
| GnuPG 2 (Gnu Privacy Guard) | =0.9.2 | |
| GnuPG 2 (Gnu Privacy Guard) | =0.9.3 | |
| GnuPG 2 (Gnu Privacy Guard) | =0.9.4 | |
| GnuPG 2 (Gnu Privacy Guard) | =0.9.5 | |
| GnuPG 2 (Gnu Privacy Guard) | =0.9.6 | |
| GnuPG 2 (Gnu Privacy Guard) | =0.9.7 | |
| GnuPG 2 (Gnu Privacy Guard) | =0.9.8 | |
| GnuPG 2 (Gnu Privacy Guard) | =0.9.9 | |
| GnuPG 2 (Gnu Privacy Guard) | =0.9.10 | |
| GnuPG 2 (Gnu Privacy Guard) | =0.9.11 | |
| GnuPG 2 (Gnu Privacy Guard) | =1.0.0 | |
| GnuPG 2 (Gnu Privacy Guard) | =1.0.1 | |
| GnuPG 2 (Gnu Privacy Guard) | =1.0.2 | |
| GnuPG 2 (Gnu Privacy Guard) | =1.0.3 | |
| GnuPG 2 (Gnu Privacy Guard) | =1.0.4 | |
| GnuPG 2 (Gnu Privacy Guard) | =1.0.4 | |
| GnuPG 2 (Gnu Privacy Guard) | =1.0.5 | |
| GnuPG 2 (Gnu Privacy Guard) | =1.0.5 | |
| GnuPG 2 (Gnu Privacy Guard) | =1.0.6 | |
| GnuPG 2 (Gnu Privacy Guard) | =1.0.7 | |
| GnuPG 2 (Gnu Privacy Guard) | =1.2.0 | |
| GnuPG 2 (Gnu Privacy Guard) | =1.2.1 | |
| GnuPG 2 (Gnu Privacy Guard) | =1.2.1-windows | |
| GnuPG 2 (Gnu Privacy Guard) | =1.2.2 | |
| GnuPG 2 (Gnu Privacy Guard) | =1.2.3 | |
| GnuPG 2 (Gnu Privacy Guard) | =1.2.4 | |
| GnuPG 2 (Gnu Privacy Guard) | =1.2.5 | |
| GnuPG 2 (Gnu Privacy Guard) | =1.2.6 | |
| GnuPG 2 (Gnu Privacy Guard) | =1.2.7 | |
| GnuPG 2 (Gnu Privacy Guard) | =1.3.0 | |
| GnuPG 2 (Gnu Privacy Guard) | =1.3.1 | |
| GnuPG 2 (Gnu Privacy Guard) | =1.3.2 | |
| GnuPG 2 (Gnu Privacy Guard) | =1.3.3 | |
| GnuPG 2 (Gnu Privacy Guard) | =1.3.4 | |
| GnuPG 2 (Gnu Privacy Guard) | =1.3.6 | |
| GnuPG 2 (Gnu Privacy Guard) | =1.3.90 | |
| GnuPG 2 (Gnu Privacy Guard) | =1.3.91 | |
| GnuPG 2 (Gnu Privacy Guard) | =1.3.92 | |
| GnuPG 2 (Gnu Privacy Guard) | =1.3.93 | |
| GnuPG 2 (Gnu Privacy Guard) | =1.4.0 | |
| GnuPG 2 (Gnu Privacy Guard) | =1.4.10 | |
| GnuPG 2 (Gnu Privacy Guard) | =1.4.11 | |
| GnuPG 2 (Gnu Privacy Guard) | =1.4.12 | |
| GnuPG 2 (Gnu Privacy Guard) | =2.0.1 | |
| GnuPG 2 (Gnu Privacy Guard) | =2.0.3 | |
| GnuPG 2 (Gnu Privacy Guard) | =2.0.4 | |
| GnuPG 2 (Gnu Privacy Guard) | =2.0.5 | |
| GnuPG 2 (Gnu Privacy Guard) | =2.0.6 | |
| GnuPG 2 (Gnu Privacy Guard) | =2.0.7 | |
| GnuPG 2 (Gnu Privacy Guard) | =2.0.8 | |
| GnuPG 2 (Gnu Privacy Guard) | =2.0.10 | |
| GnuPG 2 (Gnu Privacy Guard) | =2.0.11 | |
| GnuPG 2 (Gnu Privacy Guard) | =2.0.12 | |
| GnuPG 2 (Gnu Privacy Guard) | =2.0.13 | |
| GnuPG 2 (Gnu Privacy Guard) | =2.0.14 | |
| GnuPG 2 (Gnu Privacy Guard) | =2.0.15 | |
| GnuPG 2 (Gnu Privacy Guard) | =2.0.16 | |
| GnuPG 2 (Gnu Privacy Guard) | =2.0.17 | |
| GnuPG 2 (Gnu Privacy Guard) | =2.0.18 | |
| GnuPG 2 (Gnu Privacy Guard) | =2.0.19 | |
| Libgcrypt | <=1.5.2 | |
| Libgcrypt | =1.4.0 | |
| Libgcrypt | =1.4.3 | |
| Libgcrypt | =1.4.4 | |
| Libgcrypt | =1.4.5 | |
| Libgcrypt | =1.4.6 | |
| Libgcrypt | =1.5.0 | |
| Libgcrypt | =1.5.1 | |
| SUSE Linux | =12.2 | |
| SUSE Linux | =12.3 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- 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.html
- http://rhn.redhat.com/errata/RHSA-2013-1457.html
- http://secunia.com/advisories/54318
- http://secunia.com/advisories/54321
- http://secunia.com/advisories/54332
- http://secunia.com/advisories/54375
- http://www.debian.org/security/2013/dsa-2730
- http://www.debian.org/security/2013/dsa-2731
- http://www.kb.cert.org/vuls/id/976534
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
- http://www.securityfocus.com/bid/61464
- http://www.ubuntu.com/usn/USN-1923-1
Frequently Asked Questions
What is the severity of CVE-2013-4242?
CVE-2013-4242 has a high severity rating due to its potential to allow local users to obtain private RSA keys through a cache side-channel attack.
How do I fix CVE-2013-4242?
To mitigate CVE-2013-4242, update GnuPG to version 1.4.14 or later and Libgcrypt to version 1.5.3 or later.
What versions of GnuPG are affected by CVE-2013-4242?
GnuPG versions prior to 1.4.14 are affected by CVE-2013-4242.
What operating systems are impacted by CVE-2013-4242?
CVE-2013-4242 impacts various versions of Ubuntu, Debian, and openSUSE that utilize affected versions of GnuPG and Libgcrypt.
Is CVE-2013-4242 a remote or local vulnerability?
CVE-2013-4242 is a local vulnerability that can be exploited by local users on the affected system.
- agent/type
- agent/references
- agent/author
- agent/severity
- agent/weakness
- agent/description
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/first-publish-date
- agent/event
- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/canonical
- canonical/ubuntu
- version/ubuntu/10.04
- version/ubuntu/12.04
- version/ubuntu/12.10
- version/ubuntu/13.04
- vendor/debian
- canonical/debian
- version/debian/6.0
- version/debian/7.0
- vendor/gnupg
- canonical/gnupg 2 (gnu privacy guard)
- version/gnupg 2 (gnu privacy guard)/1.4.13
- version/gnupg 2 (gnu privacy guard)/0.0.0
- version/gnupg 2 (gnu privacy guard)/0.2.15
- version/gnupg 2 (gnu privacy guard)/0.2.16
- version/gnupg 2 (gnu privacy guard)/0.2.17
- version/gnupg 2 (gnu privacy guard)/0.2.18
- version/gnupg 2 (gnu privacy guard)/0.2.19
- version/gnupg 2 (gnu privacy guard)/0.3.0
- version/gnupg 2 (gnu privacy guard)/0.3.1
- version/gnupg 2 (gnu privacy guard)/0.3.2
- version/gnupg 2 (gnu privacy guard)/0.3.3
- version/gnupg 2 (gnu privacy guard)/0.3.4
- version/gnupg 2 (gnu privacy guard)/0.3.5
- version/gnupg 2 (gnu privacy guard)/0.4.0
- version/gnupg 2 (gnu privacy guard)/0.4.1
- version/gnupg 2 (gnu privacy guard)/0.4.3
- version/gnupg 2 (gnu privacy guard)/0.4.4
- version/gnupg 2 (gnu privacy guard)/0.4.5
- version/gnupg 2 (gnu privacy guard)/0.9.0
- version/gnupg 2 (gnu privacy guard)/0.9.1
- version/gnupg 2 (gnu privacy guard)/0.9.2
- version/gnupg 2 (gnu privacy guard)/0.9.3
- version/gnupg 2 (gnu privacy guard)/0.9.4
- version/gnupg 2 (gnu privacy guard)/0.9.5
- version/gnupg 2 (gnu privacy guard)/0.9.6
- version/gnupg 2 (gnu privacy guard)/0.9.7
- version/gnupg 2 (gnu privacy guard)/0.9.8
- version/gnupg 2 (gnu privacy guard)/0.9.9
- version/gnupg 2 (gnu privacy guard)/0.9.10
- version/gnupg 2 (gnu privacy guard)/0.9.11
- version/gnupg 2 (gnu privacy guard)/1.0.0
- version/gnupg 2 (gnu privacy guard)/1.0.1
- version/gnupg 2 (gnu privacy guard)/1.0.2
- version/gnupg 2 (gnu privacy guard)/1.0.3
- version/gnupg 2 (gnu privacy guard)/1.0.4
- version/gnupg 2 (gnu privacy guard)/1.0.5
- version/gnupg 2 (gnu privacy guard)/1.0.6
- version/gnupg 2 (gnu privacy guard)/1.0.7
- version/gnupg 2 (gnu privacy guard)/1.2.0
- version/gnupg 2 (gnu privacy guard)/1.2.1
- version/gnupg 2 (gnu privacy guard)/1.2.1-windows
- version/gnupg 2 (gnu privacy guard)/1.2.2
- version/gnupg 2 (gnu privacy guard)/1.2.3
- version/gnupg 2 (gnu privacy guard)/1.2.4
- version/gnupg 2 (gnu privacy guard)/1.2.5
- version/gnupg 2 (gnu privacy guard)/1.2.6
- version/gnupg 2 (gnu privacy guard)/1.2.7
- version/gnupg 2 (gnu privacy guard)/1.3.0
- version/gnupg 2 (gnu privacy guard)/1.3.1
- version/gnupg 2 (gnu privacy guard)/1.3.2
- version/gnupg 2 (gnu privacy guard)/1.3.3
- version/gnupg 2 (gnu privacy guard)/1.3.4
- version/gnupg 2 (gnu privacy guard)/1.3.6
- version/gnupg 2 (gnu privacy guard)/1.3.90
- version/gnupg 2 (gnu privacy guard)/1.3.91
- version/gnupg 2 (gnu privacy guard)/1.3.92
- version/gnupg 2 (gnu privacy guard)/1.3.93
- version/gnupg 2 (gnu privacy guard)/1.4.0
- version/gnupg 2 (gnu privacy guard)/1.4.10
- version/gnupg 2 (gnu privacy guard)/1.4.11
- version/gnupg 2 (gnu privacy guard)/1.4.12
- version/gnupg 2 (gnu privacy guard)/2.0.1
- version/gnupg 2 (gnu privacy guard)/2.0.3
- version/gnupg 2 (gnu privacy guard)/2.0.4
- version/gnupg 2 (gnu privacy guard)/2.0.5
- version/gnupg 2 (gnu privacy guard)/2.0.6
- version/gnupg 2 (gnu privacy guard)/2.0.7
- version/gnupg 2 (gnu privacy guard)/2.0.8
- version/gnupg 2 (gnu privacy guard)/2.0.10
- version/gnupg 2 (gnu privacy guard)/2.0.11
- version/gnupg 2 (gnu privacy guard)/2.0.12
- version/gnupg 2 (gnu privacy guard)/2.0.13
- version/gnupg 2 (gnu privacy guard)/2.0.14
- version/gnupg 2 (gnu privacy guard)/2.0.15
- version/gnupg 2 (gnu privacy guard)/2.0.16
- version/gnupg 2 (gnu privacy guard)/2.0.17
- version/gnupg 2 (gnu privacy guard)/2.0.18
- version/gnupg 2 (gnu privacy guard)/2.0.19
- canonical/libgcrypt
- version/libgcrypt/1.5.2
- version/libgcrypt/1.4.0
- version/libgcrypt/1.4.3
- version/libgcrypt/1.4.4
- version/libgcrypt/1.4.5
- version/libgcrypt/1.4.6
- version/libgcrypt/1.5.0
- version/libgcrypt/1.5.1
- vendor/opensuse
- canonical/suse linux
- version/suse linux/12.2
- version/suse linux/12.3