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CVE-2013-4576

Status Candidate

Overview

GnuPG 1.x before 1.4.16 generates RSA keys using sequences of introductions with certain patterns that introduce a side channel, which allows physically proximate attackers to extract RSA keys via a chosen-ciphertext attack and acoustic cryptanalysis during decryption. NOTE: applications are not typically expected to protect themselves from acoustic side-channel attacks, since this is arguably the responsibility of the physical device. Accordingly, issues of this type would not normally receive a CVE identifier. However, for this issue, the developer has specified a security policy in which GnuPG should offer side-channel resistance, and developer-specified security-policy violations are within the scope of CVE.

Related Files

Red Hat Security Advisory 2014-0016-01
Posted Jan 9, 2014
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2014-0016-01 - The GNU Privacy Guard is a tool for encrypting data and creating digital signatures, compliant with the proposed OpenPGP Internet standard and the S/MIME standard. It was found that GnuPG was vulnerable to side-channel attacks via acoustic cryptanalysis. An attacker in close range to a target system that is decrypting ciphertexts could possibly use this flaw to recover the RSA secret key from that system.

tags | advisory
systems | linux, redhat
advisories | CVE-2013-4576
MD5 | cbc4ecebe87b29c59e897d42569f2dac
Slackware Security Advisory - gnupg Updates
Posted Dec 23, 2013
Authored by Slackware Security Team | Site slackware.com

Slackware Security Advisory - New gnupg packages are available for Slackware 13.0, 13.1, 13.37, 14.0, 14.1, and -current to fix a security issue.

tags | advisory
systems | linux, slackware
advisories | CVE-2013-4576
MD5 | 8fa1ea5880d65b8dd963324e318e1f74
Mandriva Linux Security Advisory 2013-295
Posted Dec 22, 2013
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2013-295 - Genkin, Shamir and Tromer discovered that RSA key material could be extracted by using the sound generated by the computer during the decryption of some chosen ciphertexts. The updated packages have been patched to correct this issue.

tags | advisory
systems | linux, mandriva
advisories | CVE-2013-4576
MD5 | 6ca3e1cbe69286d02b674ccea586d858
Ubuntu Security Notice USN-2059-1
Posted Dec 19, 2013
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2059-1 - Daniel Genkin, Adi Shamir, and Eran Tromer discovered that GnuPG was susceptible to an adaptive chosen ciphertext attack via acoustic emanations. A local attacker could use this attack to possibly recover private keys.

tags | advisory, local
systems | linux, ubuntu
advisories | CVE-2013-4576
MD5 | ea0b5437857994c87e948f01a7e5c636
Debian Security Advisory 2821-1
Posted Dec 19, 2013
Authored by Debian | Site debian.org

Debian Linux Security Advisory 2821-1 - Genkin, Shamir and Tromer discovered that RSA key material could be extracted by using the sound generated by the computer during the decryption of some chosen ciphertexts.

tags | advisory
systems | linux, debian
advisories | CVE-2013-4576
MD5 | 9e7605134cb3bd42bc7a16df6f338f96
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