Inferior OCSP verification

libcurl offers "OCSP stapling" via the CURLOPTSSLVERIFYSTATUS option. When set, libcurl verifies the OCSP response that a server responds with as part of the TLS handshake. It then aborts the TLS negotiation if something is wrong with the response. The same feature can be enabled with --cert-stat...

curl: CVE-2020-8286: Inferior OCSP verification

cURL in /lib/vtls/openssl.c does not check that the certificate serial number in the stapled OCSP response matches the serial number of the certificate it is trying to validate the peer certificate. This results in a passed validity challenge even when connecting to a site that has had its...

OPENSUSE-SU-2020:0553-1 Security update for freeradius-server

This update for freeradius-server fixes the following issues: - CVE-2019-13456: Fixed a side-channel password leak in EAP-pwd bsc1144524. - CVE-2019-17185: Fixed a debial of service due to multithreaded BNCTX access bsc1166847. - Fixed an issue in TLS-EAP where the OCSP verification, when an...

SUSE SLED15 / SLES15 Security Update : freeradius-server (SUSE-SU-2020:1023-1)

This update for freeradius-server fixes the following issues : CVE-2019-13456: Fixed a side-channel password leak in EAP-pwd bsc1144524. CVE-2019-17185: Fixed a debial of service due to multithreaded BNCTX access bsc1166847. Fixed an issue in TLS-EAP where the OCSP verification, when an...

Apple macOS 10.12.1/iOS 10 SecureTransport SSL handshake OCSP MiTM and DoS Vulnerabilities

Exploit for macOS platform in category dos / poc Apple macOS 10.12.1/iOS 10 SecureTransport SSL handshake OCSP MiTM and DoS Credit: Maksymilian Arciemowicz https://cxsecurity.com/ --- 0. Description ---- The latest macOS and iOS have weak OCSP validation process which allow attacker to send OCSP...

Apple Mac OS X 10.12/iOS 10 SecureTransport SSL handshake OCSP MiTM and DoS

Exploit for macOS platform in category dos / poc Apple macOS 10.12/iOS 10 SecureTransport SSL handshake OCSP MiTM and DoS --- 0. Description ---- The latest macOS and iOS have weak OCSP validation process which allow attacker to send OCSP requests up to 200k in name of victim during MiTM attack...

Critical: Red Hat Security Advisory: java-1.7.0-openjdk security update

Updated java-1.7.0-openjdk packages that fix multiple security issues are now available for Red Hat Enterprise Linux 6 and 7. Red Hat Product Security has rated this update as having Critical security impact. Common Vulnerability Scoring System CVSS base scores, which give detailed severity...

Ubuntu 14.04 LTS : Firefox vulnerabilities (USN-2458-1)

The remote Ubuntu 14.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-2458-1 advisory. Christian Holler, Patrick McManus, Christoph Diehl, Gary Kwong, Jesse Ruderman, Byron Campen, Terrence Cole, and Nils Ohlmeier discovered multiple memory...

USN-2458-2: Ubufox update

USN-2458-1 fixed vulnerabilities in Firefox. This update provides the corresponding version of Ubufox. Original advisory details: Christian Holler, Patrick McManus, Christoph Diehl, Gary Kwong, Jesse Ruderman, Byron Campen, Terrence Cole, and Nils Ohlmeier discovered multiple memory safety issues...

Amazon Linux AMI : openssl (ALAS-2013-171)

It was discovered that OpenSSL 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 paddi...

openssl: DoS due to improper handling of OCSP response verification

OpenSSL before 0.9.8y, 1.0.0 before 1.0.0k, and 1.0.1 before 1.0.1d does not properly perform signature verification for OCSP responses, which allows remote OCSP servers to cause a denial of service NULL pointer dereference and application crash via an invalid key...

Moderate: Red Hat Security Advisory: openssl security update

Updated openssl packages that fix multiple security issues are now available for Red Hat Enterprise Linux 5 and 6. The Red Hat Security Response Team has rated this update as having moderate security impact. Common Vulnerability Scoring System CVSS base scores, which give detailed severity rating...

CVE-2013-0166

OpenSSL before 0.9.8y, 1.0.0 before 1.0.0k, and 1.0.1 before 1.0.1d does not properly perform signature verification for OCSP responses, which allows remote OCSP servers to cause a denial of service NULL pointer dereference and application crash via an invalid key...