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Security Leftovers

Submitted by Roy Schestowitz on Tuesday 7th of December 2021 08:12:04 PM Filed under
Security
  • A mysterious threat actor is running hundreds of malicious Tor relays

    Since at least 2017, a mysterious threat actor has run thousands of malicious servers in entry, middle, and exit positions of the Tor network in what a security researcher has described as an attempt to deanonymize Tor users.

    Tracked as KAX17, the threat actor ran at its peak more than 900 malicious servers part of the Tor network, which typically tends to hover around a daily total of up to 9,000-10,000.

    Some of these servers work as entry points (guards), others as middle relays, and others as exit points from the Tor network.

    Their role is to encrypt and anonymize user traffic as it enters and leaves the Tor network, creating a giant mesh of proxy servers that bounce connections between each other and provide the much-needed privacy that Tor users come for.

    Servers added to the Tor network typically must have contact information included in their setup, such as an email address, so Tor network administrators and law enforcement can contact server operators in the case of a misconfiguration or file an abuse report.

  • Someone Is Running Lots of Tor Relays

    Since 2017, someone is running about a thousand — 10% of the total — Tor servers in an attempt to deanonymize the network...

  • Security updates for Tuesday [LWN.net]

    Security updates have been issued by CentOS (nss), Debian (roundcube and runc), openSUSE (aaa_base, brotli, clamav, glib-networking, gmp, go1.16, hiredis, kernel, mozilla-nss, nodejs12, nodejs14, openexr, openssh, php7, python-Babel, ruby2.5, speex, wireshark, and xen), Oracle (kernel and nss), Red Hat (kpatch-patch, nss, rpm, and thunderbird), SUSE (brotli, clamav, glib-networking, gmp, kernel, mariadb, mozilla-nss, nodejs12, nodejs14, openssh, php7, python-Babel, and wireshark), and Ubuntu (busybox, mariadb-10.3, mariadb-10.5, python-django, and samba).

  • Hitachi Energy RTU500 OpenLDAP | CISA

    All information products included in https://us-cert.cisa.gov/ics are provided "as is" for informational purposes only. The Department of Homeland Security (DHS) does not provide any warranties of any kind regarding any information contained within. DHS does not endorse any commercial product or service, referenced in this product or otherwise. Further dissemination of this product is governed by the Traffic Light Protocol (TLP) marking in the header. For more information about TLP, see https://us-cert.cisa.gov/tlp/.

  • Hitachi Energy XMC20 and FOX61x | CISA

    All information products included in https://us-cert.cisa.gov/ics are provided "as is" for informational purposes only. The Department of Homeland Security (DHS) does not provide any warranties of any kind regarding any information contained within. DHS does not endorse any commercial product or service, referenced in this product or otherwise. Further dissemination of this product is governed by the Traffic Light Protocol (TLP) marking in the header. For more information about TLP, see https://us-cert.cisa.gov/tlp/.

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