. NET advanced code audit of the first ten classes ObjectStateFormatter deserialize vulnerability-vulnerability warning-the black bar safety net

0x00 Preface ObjectStateFormatter generally used for serialization and deserialization of the state object graph, such as the commonly used ViewState is through this class to do the serialization, is located in the namespace System. Web. The UI, the advantage is that on the basis of the type stor...

. NET advanced code audit, the eighth classes SoapFormatter deserialization vulnerability-vulnerability warning-the black bar safety net

SoapFormatter formatter and the next lesson introduce the BinaryFormatter formatter are. NET internal implementation of a serialization function classes, SoapFormatter derived directly from the System. The Object, located in the namespace System. Runtime. Serialization. Formatters. Soap, and...

. NET advanced code audit（the first lesson）XmlSerializer deserialization vulnerability-vulnerability warning-the black bar safety net

在.NET in the framework of the XmlSerializer class is a great tool, it is a highly structured XML data is mapped to . NET objects. The XmlSerializer class in the program through a single API call to perform the XML document and the object conversion between. The conversion mapping rules in the . N...

MacOS again appeared vulnerability, known as unbreakable system also has weaknesses-vulnerability warning-the black bar safety net

For convenience of expression, this article will use the first-person manner described. This article describes my in Apple's macOS system kernel found several stack and buffer overflow vulnerabilities, Apple will this several vulnerabilities categorized as the kernel of remote code execution...

CVE-2018-18438

Qemu has integer overflows because IOReadHandler and its associated functions use a signed integer data type for a size value...

The defect-week session of the fourth term: XML external entity injection-vulnerability warning-the black bar safety net

Code audit is the use of static analysis to discover the source code of the security flaws of the method can aid in the development or testing personnel in a software on-line prior to a more comprehensive understanding of its security concerns, preventive measures, and therefore has always been t...

XNU kernel heap overflow due to bad bounds checking in MPTCP(CVE-2018-4241)

mptcpusrconnectx is the handler for the connectx syscall for the APMULTIPATH socket family. The logic of this function fails to correctly handle source and destination sockaddrs which aren't AFINET or AFINET6: // verify salen for AFINET: if dst-safamily == AFINET && dst-salen !=...

Spring data rest 远程代码执行(cve-2017-8046)

漏洞描述 漏洞描述 Spring Data Rest 在处理 PATCH 请求时存在RCE高危漏洞, 可以使用手工构造的JSON数据构造恶意PATCH请求提交至spring-data-rest服务器，使得服务器运行恶意JAVA代码。Spring Data Rest项目的目标是提供一种灵活的、可配置的机制，编写出可以对外暴露出HTTP协议的简单服务。 Git地址: https://github.com/spring-projects/spring-data-rest 漏洞来源: https://pivotal.io/security/cve-2017-8046 影响版本： Spring...

youke365_SQL_Injection#1

优客365 v2.9版本 后台存在SQL注入，可导致获取后台管理员账号密码 1，一个单引号引发的血案 爆出了表名dirusers和一些列名 2，源码审计，问题代码在.\module\login.php 代码处理不严谨。根据上图，经测试，用户名可以用1' or '1'='1进行绕过 密码进行了md5加密，所以不能进行简单绕过 3，sql注入 将爆破后的密码进行md5解密，即可得到管理员密码。当然，也可以顺便爆破管理员账号。（所以通过管理员账号认证是有两种姿势） 4，愉快地登陆后台 最后附上payload payload = ' and select 1 fromselect...

unrar 5.40 - 'VMSF_DELTA' Filter Arbitrary Memory Write

Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1286&desc=6 It appears that the VMSFDELTA memory corruption that was reported to Sophos AV in 2012 and fixed there was actually inherited from upstream unrar. For unknown reasons the information did not reach upstream rar or was...

Drupal 8.0.0 Beta 14 Cross Site Scripting Vulnerability

Drupal version 8.0.0 Beta 14 suffers from a cross site scripting vulnerability. Drupal's sad fix was to simply throw an .htaccess file in place to block access to the file. Overview Recently, I was playing around with the Drupal CMS application code. Drupal is an open source CMS application widel...

A null pointer vulnerability Protection Technology-primary-vulnerability warning-the black bar safety net

Safety history due to a null pointer brought the vulnerability and attacks are numerous, but because of its use of the programming skills required for analysis and protective to have higher requirements, so the domestic to the null pointer vulnerability and a discussion of the related art is not...

Libuser Library - Multiple Vulnerabilities

Exploit for linux platform in category dos / poc CVE-2015-3245 userhelper chfn newline filtering CVE-2015-3246 libuser passwd file handling -- Summary ----------------------------------------------------------------- The libuser library implements a standardized interface for manipulating and...

Qualys Security Advisory - userhelper / libuser

Qualys Security Advisory CVE-2015-3245 userhelper chfn newline filtering CVE-2015-3246 libuser passwd file handling -- Summary ----------------------------------------------------------------- The libuser library implements a standardized interface for manipulating and administering user and grou...

74cms三处sql注入漏洞

简要描述： 代码审计第三发 详细说明： 看代码 include/funcompany.php 963-968行 function actionusersetmeal$uid,$action global $db; $sql="update ".table'memberssetmeal'." set ".$action."=".$action."-1 WHERE uid=".intval$uid." AND effective=1 LIMIT 1"; return $db-query$sql;...

kppw 最新版注入(有点奇葩)

简要描述： 人生第一发代码审计 详细说明： 首先给厂商说句抱歉，测试demo的时候把demo搞挂了 漏洞文件:control/ajax/balance.php 看代码 $arrSellerInfo = dbfactory::getonesprintf'select from %s a left join %s b on a.uid = b.uid where a.uid =%s',TABLEPRE.'witkeyspace',TABLEPRE.'witkeyshop',intval$id; if$arrSellerInfo'shopbackstyle' $arrBackgroudStyl...

tcpdump 4.6.2 Geonet Decoder Denial of Service Vulnerability

Exploit for multiple platform in category dos / poc CVE-2014-8768 tcpdump denial of service in verbose mode using malformed Geonet payload 1. Background tcpdump is a powerful command-line packet analyzer. It allows the user to intercept and display TCP/IP and other packets being transmitted or...

Code audit: eyou(billion mail)the mail system two getshell and two interesting vulnerability-vulnerability warning-the black bar safety net

Recently at a market value of over a hundred billion dollars of the company to do a penetration test and found that a domain name with the million mail system, by following a set of million post the source code and looked, and found that the system security is still stuck in the zero years, the...

Microsoft Media Player - (quartz.dll .wav) Multiple Remote DoS Vulns

No description provided by source. ! /usr/bin/perl CAL2quartzwavpoc.pl TwoMircoSoftMediaplayerquartz.dllwavremoteDosvulnerabilities by Code Audit Labs public 2009-04-19 http://www.vulnhunt.com/ Affected ======== test on full updated winxp sp3 windows media Player 10.00.00.3998 quartz.dll...

FineCMS v1.8任意文件下载

简要描述： 代码审计是个技术活，需要很好的耐心.. o︶︿︶o 详细说明： 出现问题的版本是FineCMS V1.8.0 最新版。 1.顺藤摸瓜 漏洞文件：controllers/ApiController.php downAction方法 public function downAction $data = fnauthcodebase64decode$this-get'file', 'DECODE'; $file = isset$data'finecms' && $data'finecms' ? $data'finecms' : ''; if empty$file...