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4.3
CVSSv2

CVE-2013-1620

Published: 08/02/2013 Updated: 21/12/2022
CVSS v2 Base Score: 4.3 | Impact Score: 2.9 | Exploitability Score: 8.6
VMScore: 383
Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N
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Vulnerability Summary

The TLS implementation in Mozilla Network Security Services (NSS) does not properly consider timing side-channel attacks on a noncompliant MAC check operation during the processing of malformed CBC padding, which allows remote malicious users to conduct distinguishing attacks and plaintext-recovery attacks via statistical analysis of timing data for crafted packets, a related issue to CVE-2013-0169.

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Vendor Advisories

Red Hat: Moderate: rhev-hypervisor6 security and bug fix update
Synopsis Moderate: rhev-hypervisor6 security and bug fix update Type/Severity Security Advisory: Moderate Topic An updated rhev-hypervisor6 package that fixes three security issues andvarious bugs is now availableThe Red Hat Security Response Team has rated this update as having moderatesecurity impact Co ...
Ubuntu Security Notice: nss vulnerability
NSS could be made to expose sensitive information over the network ...
Debian CVElist Bug Report Logs: TLS timing attack in nss (Lucky 13)
Debian Bug report logs - #699888 TLS timing attack in nss (Lucky 13) Package: nss; Maintainer for nss is Maintainers of Mozilla-related packages <team+pkg-mozilla@trackerdebianorg>; Reported by: Thijs Kinkhorst <thijs@debianorg> Date: Wed, 6 Feb 2013 10:54:02 UTC Severity: serious Tags: security Fixed in version ...
Amazon Linux AMI: ALAS-2013-265
A flaw was found in the way NSS handled invalid handshake packets A remote attacker could use this flaw to cause a TLS/SSL client using NSS to crash or, possibly, execute arbitrary code with the privileges of the user running the application (CVE-2013-5605) It was found that the fix for CVE-2013-1620 introduced a regression causing NSS to read un ...
Amazon Linux AMI: ALAS-2013-266
A flaw was found in the way NSS handled invalid handshake packets A remote attacker could use this flaw to cause a TLS/SSL client using NSS to crash or, possibly, execute arbitrary code with the privileges of the user running the application (CVE-2013-5605) It was found that the fix for CVE-2013-1620 introduced a regression causing NSS to read un ...
Amazon Linux AMI: ALAS-2013-216
It was discovered that NSS leaked timing information when decrypting TLS/SSL and DTLS protocol encrypted records when CBC-mode cipher suites were used A remote attacker could possibly use this flaw to retrieve plain text from the encrypted packets by using a TLS/SSL or DTLS server as a padding oracle (CVE-2013-1620) An out-of-bounds memory read f ...
Amazon Linux AMI: ALAS-2013-217
It was discovered that NSS leaked timing information when decrypting TLS/SSL and DTLS protocol encrypted records when CBC-mode cipher suites were used A remote attacker could possibly use this flaw to retrieve plain text from the encrypted packets by using a TLS/SSL or DTLS server as a padding oracle (CVE-2013-1620) An out-of-bounds memory read f ...

References

CWE-203http://www.isg.rhul.ac.uk/tls/TLStiming.pdfhttp://openwall.com/lists/oss-security/2013/02/05/24http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00009.htmlhttp://www.ubuntu.com/usn/USN-1763-1http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00010.htmlhttp://rhn.redhat.com/errata/RHSA-2013-1135.htmlhttp://rhn.redhat.com/errata/RHSA-2013-1144.htmlhttp://www.securityfocus.com/bid/64758http://www.oracle.com/technetwork/topics/security/cpujan2014-1972949.htmlhttp://www.oracle.com/technetwork/topics/security/cpuapr2014-1972952.htmlhttp://security.gentoo.org/glsa/glsa-201406-19.xmlhttp://www.oracle.com/technetwork/topics/security/cpujul2014-1972956.htmlhttp://www.vmware.com/security/advisories/VMSA-2014-0012.htmlhttp://seclists.org/fulldisclosure/2014/Dec/23http://www.oracle.com/technetwork/topics/security/cpujan2015-1972971.htmlhttp://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.htmlhttp://www.securityfocus.com/bid/57777http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761http://www.securityfocus.com/archive/1/534161/100/0/threadedhttps://access.redhat.com/errata/RHSA-2013:1181https://usn.ubuntu.com/1763-1/https://nvd.nist.gov
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