Citrix XenServer Multiple Vulnerabilities (CTX224740)

The version of Citrix XenServer installed on the remote host is missing a security hotfix. It is, therefore, affected by multiple vulnerabilities : - A flaw exists that causes grant table operations to fail due to improper handling of reference counts. An unauthenticated, remote attacker can...

Races in the grant table unmap code

ISSUE DESCRIPTION We have discovered two bugs in the code unmapping grant references. When a grant had been mapped twice by a backend domain, and then unmapped by two concurrent unmap calls, the frontend may be informed that the page had no further mappings when the first call completed rather th...

grant table operations mishandle reference counts

ISSUE DESCRIPTION We have discovered a number of bugs in the code mapping and unmapping grant references. If a grant is mapped with both the GNTMAPdevicemap and GNTMAPhostmap flags, but unmapped only with hostmap, the devicemap portion remains but the page reference counts are lowered as though i...

CVE-2017-8449

X-Pack Security 5.2.x would allow access to more fields than the user should have seen if the field level security rules used a mix of grant and exclude rules when merging multiple rules with field level security rules for the same index...

Xen Code Execution Vulnerability

Xen is an open source virtual machine monitor product developed at the University of Cambridge, UK. The product enables different and incompatible operating systems to run on the same computer and supports runtime migration to ensure uptime and avoid downtime. A security vulnerability exists in X...

Fedora 25 : xen (2017-5ae70ac6a5)

xen: various flaws 1447345 x86: 64bit PV guest breakout via pagetable use-after-mode-change XSA-213 grant transfer allows PV guest to elevate privileges XSA-214 Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website. Tenable...

CVE-2016-6526

The SpamCall Activity component in Telecom application on Samsung Note device L5.0/5.1 and M6.0 allows attackers to cause a denial of service crash and reboot or possibly gain privileges via a malformed serializable object...

IBM WebSphere Application Server 7.0 < 7.0.0.39 Multiple Vulnerabilities (FREAK)

Binary data 9700.prm...

The vulnerability of Xen hypervisors, which allows a malicious actor to trigger a service failure

The vulnerability of the GNTTABOPswapgrantref function in Xen administrators’ scripts is related to pointer swapping errors. Exploiting this vulnerability could allow an attacker, operating locally, to cause a service failure by creating instances of the GNTTABOPsetuptable or GNTTABOPsetversion...

Native applications with OAuth 2

By Justin Richer and Antonio Sanso This article was excerpted from the book OAuth 2 in Action. The OAuth core specification specifies four different grant types: Authorization Code, Implicit, Resource Owner Password Credentials and Client Credentials. Each grant type is designed with different...

grantproducts.com XSS vulnerability

Vulnerable URL: http://grantproducts.com/search?q=%3Cscript+src%3Dhttps%3A%2F%2Fopenbugbounty.org%2F1.js%3E=Submit+Query Details: Description| Value ---|--- Patched:| No Latest check for patch:| 27.07.2017 Vulnerability type:| XSS Vulnerability status:| Publicly disclosed Alexa Rank| 1200164 VIP...

Xen GNTTABOP_swap_grant_ref() Version Check Denial of Service Vulnerability

Xen is a virtualization technology for the Linux kernel that allows multiple operating systems to run simultaneously. A security vulnerability in Xen GNTTABOPswapgrantref allows local users to exploit the vulnerability by triggering a null pointer reference that crashes the target HOST, due to a...

DEBIAN-CVE-2015-4163

GNTTABOPswapgrantref in Xen 4.2 through 4.5 does not check the grant table operation version, which allows local guest domains to cause a denial of service NULL pointer dereference via a hypercall without a GNTTABOPsetuptable or GNTTABOPsetversion...

UBUNTU-CVE-2015-4163

GNTTABOPswapgrantref in Xen 4.2 through 4.5 does not check the grant table operation version, which allows local guest domains to cause a denial of service NULL pointer dereference via a hypercall without a GNTTABOPsetuptable or GNTTABOPsetversion...

CVE-2015-4163

GNTTABOPswapgrantref in Xen 4.2 through 4.5 does not check the grant table operation version, which allows local guest domains to cause a denial of service NULL pointer dereference via a hypercall without a GNTTABOPsetuptable or GNTTABOPsetversion...

xen-kernel -- GNTTABOP_swap_grant_ref operation misbehavior

The Xen Project reports: With the introduction of version 2 grant table operations, a version check became necessary for most grant table related hypercalls. The GNTTABOPswapgrantref call was lacking such a check. As a result, the subsequent code behaved as if version 2 was in use, when a guest...

SAP HANA DB Log Entry Forgery Vulnerability

SAP HANA DB is an in-memory database based on rows and columns. A security vulnerability in the grant.xsfunc application in the testApps/grantAccess/ URI in the SAP HANA DBXS Engine allows remote attackers to send specially crafted requests to forge logs...

Design/Logic Flaw

WebSphereOauth20SP.ear in IBM WebSphere Application Server WAS 7.0 before 7.0.0.39, 8.0 before 8.0.0.11, 8.5 Liberty Profile before 8.5.5.5, and 8.5 Full Profile before 8.5.5.6, when the OAuth grant type requires sending a password, allows remote attackers to gain privileges via unspecified vecto...

Google Awards $5k Bounty for Youtube Video Delete Bug

Student and security researcher Kamil Hismatullin recently took Google up on its vulnerability research grant offer, accepting a $1337 cash advance in exchange for a promise to seek out cross-site scripting and cross-site request forgery bugs in YouTube’s Creator Studio. While conducting that...

Top 5 OAuth 2 Implementation Vulnerabilities

Heya, back to my favourite topics namely OAuth . I have previously discussed about common OAuth 2 Implementation Vulnerabilities but now it is time maybe to list those and order them based on their criticality. 5 The Postman Always Rings Twice I have introduced this 'attack' in last year post...