A serious heap-based buffer overflow has been discovered in sudo that is exploitable by any local user. The flaw can be leveraged to elevate privileges to root, even if the user is not listed in the sudoers file. User authentication is not required to exploit the flaw. Researchers have developed working exploits against Ubuntu, Debian, and Fedora Linux distributions. Other UNIX-based operating systems and distributions are also likely to be exploitable. [1] [2]
January 26, 2021
November 30, 2020
These are targeted and simple forms of phishing emails designed to get victims to click on a fake Google Docs link that contains malicious content.
These are targeted and simple forms of phishing emails designed to get victims to click on a fake Google Forms link that contains malicious content.
These are targeted and simple forms of phishing emails designed to get victims to click on a fake Google Forms link that contains malicious content.
These are targeted and simple forms of phishing emails designed to get victims to click on a fake Google Forms link that contains malicious content.
November 4, 2020
Multiple vulnerabilities have been discovered in the Google Chrome browser, the most severe of which could allow for arbitrary code execution.
We recommend immediately updating your Google Chrome browser to Version 86.0.4240.183
October 21, 2020
Google has released Chrome version 86.0.4240.111 to apply security fixes, including a patch for an actively exploited zero-day vulnerability.
We recommend that users patch immediately. Normally updates happen in the background, but if you haven't closed your browser in a while, you might see a pending update
October 15, 2020
The second round of our Security Internship Program has ended and we are pleased to congratulate Ilona Ozmon and Kris Beltran for graduating from the program.
A serious vulnerability exists in the Windows TCP/IP network stack [1,2]. Currently, it is known that this vulnerability can be used to trigger a Denial of Service (DoS) event, however, Microsoft and others are warning that it may also be possible to remotely execute code.
An attacker can exploit this vulnerability by sending a crafted ICMPv6 Router Advertisement to the target system. The vulnerability does not require authentication or user-interaction.
October 5, 2020
These are targeted and simple forms of phishing emails designed to get victims to interact and establish a rapport. The messages start out as basic greetings or job opportunities and then progress into requests for money or data.
September 4, 2020
These attacks are a sophisticated, targeted form of phishing emails spoofing the security office with the intention of scaring the victim to get them to click on a nefarious link. The Information Security Office will never ask for you to "validate" your information via a link in an email.
September 3, 2020
These attacks are a sophisticated, targeted form of phishing emails designed to look like legitimate UC Berkeley IT Client Services emails with the intention of scaring the victim to get them to provide personal information. Legitimate UC Berkeley IT departments will NEVER ask for your passphrase over email.
August 27, 2020
The FBI has reported an increase in suspicious websites popping up that look like official election websites but are in fact fraudulent. These sites have multiple purposes:
August 18, 2020
Social Engineering criminals focus their attention at attacking people as opposed to infrastructure. Social engineering begins with research; an attacker may look for publicly available information that they can use against you. These attacks can come in a variety of formats: email, voicemail, SMS messages, DMs, or via social media and attempt to prey on your respect for authority, courtesy, or trust.
August 13, 2020
Every Red Hat Enterprise Linux (RHEL) product has a life cycle and that life cycle ends when it no longer receives security updates or fixes, software updates, and/or technical support. On Nov. 30, 2020 Red Hat will discontinue support for RHEL 6. Campus policy requires that devices connected to the network run software for which security patches are made available and installed in a timely fashion. After support ends, RHEL 6 will no longer be in compliance with campus policy.
August 7, 2020
These are targeted forms of phishing emails designed to establish trust with the victim in order to give up personal information or money.
July 15, 2020
In ongoing efforts to mitigate the spread of COVID-19, Gov. Newsom launched "California Connected, " the state's contract tracing program and public awareness campaign. Malicious actors are leveraging the program to use phishing scams to exploit the public.
July 5, 2020
These are targeted forms of phishing emails designed to get victims to click on malicious links and to give up personal email or phone numbers. UC Berkeley has no relationship with this organization. If you receive an email from PERA, do not interact, report it as a phishing email through bmail and delete.
June 30, 2020
These are targeted and simple forms of phishing emails designed to get victims to purchase gift cards, or to give up personal email or phone numbers. The "email compromise" gets its name because the attacker mimics the email of a known sender. However, these can also be sent through a legitimate, albeit hacked account. The messages start out as basic greetings then progress into requests for money or data. Since the content is highly personalized it’s often easy to get hooked.