Vulnerability hunting with Semmle QL, part 1

Previously on this blog, we’ve talked about how MSRC automates the root cause analysis of vulnerabilities reported and found. After doing this, our next step is variant analysis: finding and investigating any variants of the vulnerability. It’s important that we find all such variants and patch...

IMPORTANT: Web blocking / RAM usage announcement

On January 27, we published a protection update that caused connection issues for many of our customers. As a side effect of the web protection blocks, the product also spiked memory usage and possibly caused a crash. We have triaged this issue and pushed a protection update that resolves it. For...

What is the Cb Predictive Security Cloud (PSC)?

In today’s new reality, the device, and the people operating those devices, have taken center stage. Whether in your office or at a Starbucks, your endpoints now have access to some of your organization’s most sensitive data via cloud services, such as Salesforce.com, Office 365, and the Google...

Introducing Cb ThreatSight: Managed Threat Hunting and Triage

As the global threat landscape accelerates, security teams are always worried something will slip through. Many companies lack the security professionals needed to investigate and respond to the flood of cybersecurity incidents they face. Others don’t even understand the threats they face — thoug...

Excerpts from Preparing for NGAV at Scale: Fastest Investigation & Response

Carbon Black recently published a guide to help enterprises gauge their readiness in their initial search for next-generation antivirus, or NGAV; this is an excerpt from that guide, which you can find here. For more information about how Cb Defense, Carbon Black's NGAV + EDR solution, helps...

Ayukov NFTP FTP Client Stack Buffer Overflow Analysis

Buffer Overflow vulnerability in Ayukov NFTPD 2.0 and earlier allows remote attackers to execute arbitrary code. Recent assessments: wchen-r7 at September 12, 2019 6:08pm UTC reported: Details Ayukov is an FTP client that was written by Sergey Ayukov back in 1994. Development stopped in 2011, and...

Carbon Black’s Vision for the Predictive Security Cloud

Earlier today, during a keynote address at Cb Connect, I unveiled our vision for the Cb Predictive Security Cloud™️. The first of its kind, the Cb Predictive Security Cloud is an extensible, cloud-based cyber security platform that helps anticipate and prevent future and unknown cyberattacks. The...

VulnScan – Automated Triage and Root Cause Analysis of Memory Corruption Issues

The Microsoft Security Response Center MSRC receives reports about potential vulnerabilities in our products and it’s the job of our engineering team to assess the severity, impact, and root cause of these issues. In practice, a significant proportion of these reports turn out to be memory...

VulnScan – Automated Triage and Root Cause Analysis of Memory Corruption Issues

The Microsoft Security Response Center MSRC receives reports about potential vulnerabilities in our products and it’s the job of our engineering team to assess the severity, impact, and root cause of these issues. In practice, a significant proportion of these reports turn out to be memory...

RubyGems: Unpacker improperly validates symlinks, allowing gems writes to arbitrary locations

Unpacker improperly validates symlinks, allowing gems writes to arbitrary locations The RubyGems installer attempts to prevent a gem from writing any files outside the install directory; however it is possible to bypass the check with a symbolic link in a crafted gem. Example structure of malicio...

macOS / iOS Kernel 10.12.3 (16D32) - bpf Heap Overflow Exploit

Exploit for multiple platform in category dos / poc / Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1125 The bpf ioctl BIOCSBLEN allows userspace to set the bpf buffer length: case BIOCSBLEN: / uint / if d-bdbif != 0 error = EINVAL; else uint size; bcopyaddr, &size, sizeof siz...

Belkin F9K1122v1 1.00.30 - Buffer Overflow (via Cross-Site Request Forgery)

No description provided by source. import socket, sys , base64, struct, string, urllib from getopt import getopt as GetOpt, GetoptError from uuid import getnode as getmac import SimpleHTTPServer, SocketServer TIMELINE ''' 3/16/2016 - First Submission to Belkin no response 5/3/2016 - Second...

Belkin F9K1122v1 1.00.30 - Buffer Overflow (via Cross-Site Request Forgery)

import socket, sys , base64, struct, string, urllib from getopt import getopt as GetOpt, GetoptError from uuid import getnode as getmac import SimpleHTTPServer, SocketServer TIMELINE ''' 3/16/2016 - First Submission to Belkin no response 5/3/2016 - Second Submission to Belkin no response 6/4/2016...

houstontx.gov XSS vulnerability

Vulnerable URL: http://www.houstontx.gov/planning/urban/viewer.swf?xmlDataPath=http://45.55.162.179/vuln.xml Details: Description| Value ---|--- Patched:| Yes, at 17.12.2015 Latest check for patch:| 17.12.2015 06:25 GMT Vulnerability type:| XSS Vulnerability status:| Publicly disclosed Alexa Rank...

HackerOne Vulnerability Coordination Maturity Model

The proliferation of independent and vendor-sponsored bug bounties has not only put some money in researchers’ pockets, but has also forced enterprises—and software makers—to put processes in place to handle outside bug reports. “Saying you want one is not enough,” said Katie Moussouris, chief...

CVE-2 0 1 4-1 7 7 2 – Internet Explorer Use After Free vulnerability detailed analysis-vulnerability warning-the black bar safety net

http://blog.trendmicro.com/trendlabs-security-intelligence/root-cause-analysis-of-cve-2014-1772-an-internet-explorer-use-after-free-vulnerability/ Translated from TrendLabs ! /Article/UploadPic/2014-11/2014111310206615.jpg We often see a wide variety of vulnerabilities, from the user-after-free...

HTML does not render in Project Description

If you enter HTML into the project description it does not get rendered. Reproduced this on a clean 6.3.8 instance. Looks like this has happened in the past: https://jira.atlassian.com/browse/JRA-20032 https://jira.atlassian.com/browse/JRA-15906 Regression? Or possibly a different root cause?...

HTML does not render in Project Description

If you enter HTML into the project description it does not get rendered. Reproduced this on a clean 6.3.8 instance. Looks like this has happened in the past: https://jira.atlassian.com/browse/JRA-20032 https://jira.atlassian.com/browse/JRA-15906 Regression? Or possibly a different root cause?...

HTML does not render in Project Description

If you enter HTML into the project description it does not get rendered. Reproduced this on a clean 6.3.8 instance. Looks like this has happened in the past: https://jira.atlassian.com/browse/JRA-20032 https://jira.atlassian.com/browse/JRA-15906 Regression? Or possibly a different root cause?...

Destoon最新版本20131010补丁后，全版本继续注入

简要描述： Destoon最新版本20131010补丁后，全版本继续注入 详细说明： 问题出在api/js.php这个漏洞，这个星期工作忙，结果别人提交了，官方补丁都出来了。 下载补丁，发现官方的修复比较马虎，没有理解漏洞的本质，分分钟绕过再次注入。 建议官方好好思考一下这个漏洞产生的根本原因。 漏洞证明： stripsql过滤了union这个字符串，但是实际上是可以绕过的。 由于需要伪造referer，所以用php写的脚本进行漏洞利用，需要根据实际情况修改里面的路径。 POC里面host参数为域名，本机测试为localhost，ver参数为版本，里面写了3,4,5三个版本的利用代码。...