Design/Logic Flaw

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...

UBUNTU-CVE-2013-4852

Integer overflow in PuTTY 0.62 and earlier, WinSCP before 5.1.6, and other products that use PuTTY allows remote SSH servers to cause a denial of service crash and possibly execute arbitrary code in certain applications that use PuTTY via a negative size value in an RSA key signature during the S...

CVE-2013-4242

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...

CVE-2013-4852

CVE-2013-4852 describes an integer overflow in PuTTY (0.62 and earlier) and in dependent products (e.g., WinSCP

CVE-2013-4208

CVE-2013-4208 affects PuTTY up to version 0.63 where rsa_verify mishandles sensitive memory and does not free certain structures, potentially exposing private RSA/DSA keys. Several advisories note updates that merge PuTTY fixes into downstream projects (e.g., FileZilla 3.7.3 and Fedora/OpenSUSE a...

CVE-2013-4852

Integer overflow in PuTTY 0.62 and earlier, WinSCP before 5.1.6, and other products that use PuTTY allows remote SSH servers to cause a denial of service crash and possibly execute arbitrary code in certain applications that use PuTTY via a negative size value in an RSA key signature during the S...

CVE-2013-4242

CVE-2013-4242 affects GnuPG before 1.4.14 and Libgcrypt before 1.5.3 (as used in GnuPG 2.0.x), enabling a local user to obtain private RSA keys via a cache side-channel (Flush+Reload) on the L3 cache. The root cause is a cache side-channel leak in the RSA key handling within GnuPG/Libgcrypt. Docu...

SuSE 11.2 / 11.3 Security Update : libgcrypt (SAT Patch Numbers 8201 / 8202)

This update of libgcrypt mitigates the Yarom/Falkner flush+reload side-channel attack on RSA secret keys. CVE-2013-4242 %NASLMINLEVEL 70300 C Tenable Network Security, Inc. The descriptive text and package checks in this plugin were extracted from SuSE 11 update information. The text itself is...

Cracking Cryptography and Encryption Exponentially Easier

It’s been a brutal month for crypto. Starting with the Black Hat conference, researchers, engineers and hackers have been unveiling new weaknesses and attacks in different cryptographic implementations that threaten the security of communication and commerce on the Web. Not only have holes been...

Microsoft discontinues MD5 crypto for digital certificates to improve RDP Authentication

This week Microsoft has released several advisories to help their users update from weak crypto. Microsoft is beginning the process of discontinuing support for digital certificates that use the MD5 hashing algorithm and to improve the network-level authentication for the Remote Desktop Protocol...

RSA Authentication Agent Installed

RSA Authentication Agent, an authentication application, is installed on the remote Windows host. C Tenable Network Security, Inc. include"compat.inc"; if description scriptid69427; scriptversion"1.8"; scriptsetattributeattribute:"pluginmodificationdate", value:"2022/10/10"; scriptnameenglish:"RS...

RSA Authentication Agent 7.1.x < 7.1.2 Authentication Bypass

The version of RSA Authentication Agent installed on the remote Windows host is 7.1.x prior to 7.1.2. Such versions contain a flaw that may allow an attacker to bypass the passcode mechanism on systems configured with the Quick PIN unlock. C Tenable Network Security, Inc. include"compat.inc"; if...

PuTTY 0.52 to 0.62 Multiple Vulnerabilities

The remote host has an installation of PuTTY version 0.52 or greater but earlier than version 0.63. As such, it is reportedly affected by the following vulnerabilities : - An overflow error exists in the function 'modmul' in the file 'putty/sshbn.c' that could allow heap corruption when handling...

gnupg / libcrypt RSA implementation flush+reload timing attack

Private key recovery by using CPU L3 cache timings...

[slackware-security] gnupg / libgcrypt &#40;SSA:2013-215-01&#41;

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 slackware-security gnupg / libgcrypt SSA:2013-215-01 New gnupg and libgcrypt packages are available for Slackware 12.1, 12.2, 13.0, 13.1, 13.37, 14.0, and -current to fix a security issue. New libgpg-error packages are also available for Slackware 13....

Matthew Green on Crypto Advances, the BREACH Attack and Whether the Longevity of the RSA Algorithm

Dennis Fisher talks with Matthew Green of Johns Hopkins University about the crypto advances in recent years, the BREACH attack revealed at Black Hat and whether it’s time to start moving away from the RSA algorithm. Download: digitalunderground121 Subscribe to the Digital Underground podcast on...

Questions Linger About New Linux 'Hand of Thief' Trojan

It looks like cybercriminals will soon be able to add yet another Trojan to their hacking repertoire, the Hand of Thief banking malware that targets Linux machines. Currently being sold on the Russian black market, Hand of Thief is fetching $2,000 USD €1,500 EUR but could be poised to run a cool...

[slackware-security] gnupg / libgcrypt

New gnupg and libgcrypt packages are available for Slackware 12.1, 12.2, 13.0, 13.1, 13.37, 14.0, and -current to fix a security issue. New libgpg-error packages are also available for Slackware 13.1 and older as the supplied version wasn't new enough to compile the fixed version of libgcrypt. He...

MGASA-2013-0239 Updated gnupg package fixes security vulnerability

Yarom and Falkner discovered that RSA secret keys in applications using GnuPG 1.x, and using the libgcrypt library, could be leaked via a side channel attack, where a malicious local user could obtain private key information from another user on the system CVE-2013-4242...

Updated gnupg package fixes security vulnerability

Yarom and Falkner discovered that RSA secret keys in applications using GnuPG 1.x, and using the libgcrypt library, could be leaked via a side channel attack, where a malicious local user could obtain private key information from another user on the system CVE-2013-4242...