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- CVEs with nessus.description==CVE-2016-6313
Felix Doerre and Vladimir Klebanov from the Karlsruhe Institute of Technology discovered a flaw in the mixing functions of GnuPG's random number generator. An attacker who obtains 4640 bits from the RNG can trivially predict the next 160 bits of output.
A first analysis on the impact of this bug for GnuPG shows that existing RSA keys are not weakened. For DSA and Elgamal keys it is also unlikely that the private key can be predicted from other public information.
Bypassing GnuPG key checking :
Weaknesses have been found in GnuPG signature validation that attackers could exploit thanks to especially forged public keys and under specific hardware-software conditions. While the underlying problem cannot be solved only by software, GnuPG has been strengthened, avoiding to rely on keyring signature caches when verifying keys. Potential specific attacks are not valid any more with the patch of GnuPG
Bypassing GnuPG key checking :
Vrije Universiteit Amsterdam and Katholieke Universteit Leuven researchers discovered an attack method, known as Flip Feng Shui, that concerns flaws in GnuPG. Researchers found that under specific hardware-software conditions, attackers could bypass the GnuPG signature validation by using forged public keys. While the underlying problem cannot be solved only by software, GnuPG has been made more robust to avoid relying on keyring signature caches when verifying keys.
For Debian 7 'Wheezy', these issues have been addressed in version 1.4.12-7 deb7u8.
We recommend that you upgrade your gnupg packages.
NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
Max CVSS | 0 |
Min CVSS | 0 |
Total Count | 2 |
| ID | CVSS | Summary | Last (major) update | Published |
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