Lenovo System Update Privilege Escalation

The named pipe, \SUPipeServer, can be accessed by normal users to interact with the System update service. The service provides the possibility to execute arbitrary commands as SYSTEM if a valid security token is provided. This token can be generated by calling the GetSystemInfoData function in t...

Medium: tomcat8

Issue Overview: It was discovered that JBoss Web / Apache Tomcat did not limit the length of chunk sizes when using chunked transfer encoding. A remote attacker could use this flaw to perform a denial of service attack against JBoss Web / Apache Tomcat by streaming an unlimited quantity of data,...

CVE-2015-2234

Race condition in Lenovo System Update formerly ThinkVantage System Update before 5.06.0034 uses world-writable permissions for the update files directory, which allows local users to gain privileges by writing to an update file after the signature is validated...

CVE-2015-2233

Lenovo System Update formerly ThinkVantage System Update before 5.06.0034 does not properly validate CA chains during signature validation, which allows man-in-the-middle attackers to upload and execute arbitrary files via a crafted certificate...

CVE-2015-2219

Lenovo System Update formerly ThinkVantage System Update before 5.06.0034 uses predictable security tokens, which allows local users to gain privileges by sending a valid token with a command to the System Update service SUService.exe through an unspecified named pipe...

Design/Logic Flaw

Lenovo System Update formerly ThinkVantage System Update before 5.06.0034 does not properly validate CA chains during signature validation, which allows man-in-the-middle attackers to upload and execute arbitrary files via a crafted certificate...

Race condition

Race condition in Lenovo System Update formerly ThinkVantage System Update before 5.06.0034 uses world-writable permissions for the update files directory, which allows local users to gain privileges by writing to an update file after the signature is validated...

Design/Logic Flaw

Lenovo System Update formerly ThinkVantage System Update before 5.06.0034 uses predictable security tokens, which allows local users to gain privileges by sending a valid token with a command to the System Update service SUService.exe through an unspecified named pipe...

CVE-2015-2219

Lenovo System Update (before 5.06.0034) contains a local privilege escalation due to predictable security tokens used to access the System Update named pipe SUservice.exe. The named pipe, \SUPipeServer, can be interacted with by normal users to inject commands as SYSTEM if a valid token is provid...

CVE-2015-2233

Lenovo System Update formerly ThinkVantage System Update before 5.06.0034 does not properly validate CA chains during signature validation, which allows man-in-the-middle attackers to upload and execute arbitrary files via a crafted certificate...

CVE-2015-2234

Race condition in Lenovo System Update formerly ThinkVantage System Update before 5.06.0034 uses world-writable permissions for the update files directory, which allows local users to gain privileges by writing to an update file after the signature is validated...

CVE-2015-2233

Lenovo System Update (before 5.06.0034) is affected by CVE-2015-2233 due to improper validation of CA chains during signature validation. This allows a man-in-the-middle with a crafted certificate to upload and execute arbitrary files. Affected software is Lenovo System Update prior to 5.06.0034,...

CVE-2015-2234

CVE-2015-2234 affects Lenovo System Update (versions prior to 5.06.0034). The issue is a race/permission problem where the update files directory is world-writable, allowing a local attacker to replace an update file after signature validation and potentially escalate privileges. The Nes­sus/Kasp...

CVE-2015-2219

Lenovo System Update formerly ThinkVantage System Update before 5.06.0034 uses predictable security tokens, which allows local users to gain privileges by sending a valid token with a command to the System Update service SUService.exe through an unspecified named pipe...

[USN-2597-2] Linux kernel (Trusty HWE) regression

========================================================================== Ubuntu Security Notice USN-2597-2 May 08, 2015 linux-lts-trusty regression ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: -...

Lenovo ThinkPad series computers was traced to multiple security vulnerabilities-vulnerability warning-the black bar safety net

Recently, security firm IOActive at the Lenovo Series of computers found a security vulnerability, the attacker may be on the computers of legitimate applications replaced with malicious app and you can remotely execute malicious instructions. IOActive security researcher in the Bulletin elaborat...

Lenovo System Update Correct Checksum Bypass Vulnerability

Lenovo System Update is a system upgrade tool for Lenovo. Lenovo System Update fails to properly validate the Lenovo System Update CA certificate chain, allowing remote attackers who can conduct man-in-the-middle attacks to bypass signature validation, replace Lenovo applications, and execute...

Lenovo System Update Download File Replacement Vulnerability

Lenovo System Update is a system upgrade tool for Lenovo. Lenovo System Update system downloads application updates to a writable directory, allowing local users to replace downloaded files and elevate permissions...

Lenovo System Update Security Token Predicts Arbitrary Code Execution Vulnerability

Lenovo System Update is a system upgrade tool for Lenovo. Lenovo System Update uses predictable security tokens to access the update mechanism, allowing local users to guess security tokens, provide tokens to the system upgrade service, and execute arbitrary commands...

Lenovo System Update Vulnerabilities Patched

Still reeling from the Superfish vulnerability, three more serious vulnerabilities have been patched and disclosed in Lenovo’s update system for its PCs. Researchers at IOActive yesterday disclosed details on a trio of security issues related to the mechanism by which Lenovo machines are sent...