Sandbox Breakout

Overview Versions of realms-shim prior to 1.2.0 are vulnerable to a Sandbox Breakout. The package's core evaluator, which must switch between "unsafe mode" and "safe mode" for each call, could be left in "unsafe mode" if an attacker is able to force a RangeError in a specific timeframe. This woul...

August 13, 2019—KB4512517 (OS Build 14393.3144)

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June 11, 2019—KB4503293 (OS Build 18362.175)

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Core Elastic Stack Security Features Now Available For Free Users As Well

Elastic, the company behind the most widely used enterprise search engine ElasticSearch and the Elastic Stack, today announced that it has decided to make core security features of the Elastic Stack free and accessible to all users. ELK Stack or Elastic Stack is a collection of three powerful ope...

Core Elastic Stack Security Features Now Available For Free Users As Well

Elastic, the company behind the most widely used enterprise search engine ElasticSearch and the Elastic Stack, today announced that it has decided to make core security features of the Elastic Stack free and accessible to all users. ELK Stack or Elastic Stack is a collection of three powerful ope...

CVE-2018-17244

Elasticsearch Security versions 6.4.0 to 6.4.2 contain an error in the way request headers are applied to requests when using the Active Directory, LDAP, Native, or File realms. A request may receive headers intended for another request if the same username is being authenticated concurrently; wh...

Cross site request forgery (csrf)

Elasticsearch Security versions 6.4.0 to 6.4.2 contain an error in the way request headers are applied to requests when using the Active Directory, LDAP, Native, or File realms. A request may receive headers intended for another request if the same username is being authenticated concurrently; wh...

CVE-2018-17244

Elasticsearch Security versions 6.4.0 to 6.4.2 contain an error in the way request headers are applied to requests when using the Active Directory, LDAP, Native, or File realms. A request may receive headers intended for another request if the same username is being authenticated concurrently; wh...

CVE-2018-17244

Elasticsearch Security versions 6.4.0 to 6.4.2 contain an error in the way request headers are applied to requests when using the Active Directory, LDAP, Native, or File realms. A request may receive headers intended for another request if the same username is being authenticated concurrently; wh...

CVE-2018-17244

Elasticsearch Security versions 6.4.0 to 6.4.2 contain an error in the way request headers are applied to requests when using the Active Directory, LDAP, Native, or File realms. A request may receive headers intended for another request if the same username is being authenticated concurrently; wh...

CVE-2018-17244

CVE-2018-17244 affects Elasticsearch Security versions 6.4.0–6.4.2 where request headers may be misapplied during concurrent authentication across AD/LDAP/Native/File realms, causing a run-as to impersonate another user and potentially access restricted information. The connected documents refere...

Elasticsearch ESA-2018-16

Elasticsearch Security versions 6.4.0 to 6.4.2 contain an error in the way request headers are applied to requests when using the Active Directory, LDAP, Native, or File realms. A request may receive headers intended for another request if the same username is being authenticated concurrently; wh...

Arrays, symbols, and realms

On Twitter, Allen Wirfs-Brock asked folks if they knew what Array.isArrayobj did, and the results suggested… no they don't. For what it's worth, I also got the answer wrong. Type-checking arrays function fooobj // … Let's say we wanted to do something specific if obj is an array. JSON.stringify i...

CVE-2017-0910

In Zulip Server before 1.7.1, on a server with multiple realms, a vulnerability in the invitation system lets an authorized user of one realm on the server create a user account on any other realm...

Ubuntu 14.04 LTS / 16.04 LTS : Subversion vulnerabilities (USN-3388-1)

The remote Ubuntu 14.04 LTS / 16.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-3388-1 advisory. Joern Schneeweisz discovered that Subversion did not properly handle host names in 'svn+ssh://' URLs. A remote attacker could use this to...

samba: Unconditional privilege delegation to Kerberos servers in trusted realms

It was found that Samba always requested forwardable tickets when using Kerberos authentication. A service to which Samba authenticated using Kerberos could subsequently use the ticket to impersonate Samba to other services or domain users...

keycloak: user deletion via incorrect permissions check

It was found that keycloak did not correctly check permissions when handling service account user deletion requests sent to the rest server. An attacker with service account authentication could use this flaw to bypass normal permissions and delete users in a separate realm...

samba: Unconditional privilege delegation to Kerberos servers in trusted realms

It was found that Samba always requested forwardable tickets when using Kerberos authentication. A service to which Samba authenticated using Kerberos could subsequently use the ticket to impersonate Samba to other services or domain users...

samba: Unconditional privilege delegation to Kerberos servers in trusted realms

It was found that Samba always requested forwardable tickets when using Kerberos authentication. A service to which Samba authenticated using Kerberos could subsequently use the ticket to impersonate Samba to other services or domain users...

Debian Security Advisory DSA 3816-1 (samba - security update)

Jann Horn of Google discovered a time-of-check, time-of-use race condition in Samba, a SMB/CIFS file, print, and login server for Unix. A malicious client can take advantage of this flaw by exploting a symlink race to access areas of the server file system not exported under a share definition...