Oracle Solaris Privilege Escalation Vulnerability

Exploited · KEV 2022-05-25Metasploit moduleCVE-2019-3010

Exploited since 2022-05-25. No WAF vendor names it yet.

Edge rules

0/8

Our test

No exploit yet

CVSS

8.8

EPSS

13.5% Top 4%

Posts, 14d

Published

2019-10-16

Vulnerability in the Oracle Solaris product of Oracle Systems (component: XScreenSaver). The supported version that is affected is 11. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where Oracle Solaris executes to compromise Oracle Solaris. While the vulnerability is in Oracle Solaris, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in takeover of Oracle Solaris. CVSS 3.0 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H).

Edge coverage

Claimed by vendors

CloudflareBefore feed historyOlder than its feed AWSBefore feed historyOlder than its feed Microsoft AzureNo public claimNot named Google CloudBefore feed historyOlder than its feed FastlyBefore feed historyOlder than its feed F5Before feed historyOlder than its feed AkamaiNo public sourceNo public changelog OWASP CRSBefore feed historyOlder than its feed

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Ask about CVE-2019-3010: who's covered, what to patch first, how vendors compare. I cite sources and won't help with attacks.

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Severity, decoded

CVSS 3.1

8.8High

High · 8.8 / 10

Exploitable with local access, with low privileges and no user interaction, leading to full loss of confidentiality, integrity and availability, and the impact can reach components beyond the vulnerable one.

Needs local accessAny user loginNo user actionWorks reliablySpreads beyond the appFull compromise

How the score is built8 metrics

Attack vectorAn attacker needs local access, or must trick a user into opening something on the machine.
Local
Attack complexityNo special conditions are needed; the attack works reliably.
Low
Privileges requiredThe attacker needs an ordinary user account.
Low
User interactionNo one has to click or open anything; the attack works on its own.
None
ScopeThe attack can spread beyond the vulnerable component to other parts of the system.
Changed
Confidentiality impactAn attacker can read all data the affected component holds, or the most sensitive parts of it.
High
Integrity impactAn attacker can change any data or files the affected component protects.
High
Availability impactAn attacker can take the component down completely or keep it from serving anyone.
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

CISA's assessmentSSVC, from the CVE record

ExploitationActive

Attackers are exploiting this in the wild.

AutomatableNo

At least one step needs hands-on work, which slows mass attacks.

Technical impactTotal

A successful attack gives full control over the affected software or all of its data.

Public exploits

2 found

1 Metasploit1 Exploit-DB0 Scanner template0 GitHub PoCs

MetasploitSolaris xscreensaver log Privilege Escalation2019-10-16 · exploit · rank Excellent · has check
Exploit-DBSolaris 11.4 - xscreensaver Privilege Escalation2019-10-21 · local · solaris

Links are to third-party code: never run it outside an isolated lab.

Timeline

2019-10-16
CVE published
CVE List
2019-10-16
Metasploit module published
Solaris xscreensaver log Privilege Escalation
2019-10-21
Exploit published on Exploit-DB
Solaris 11.4 - xscreensaver Privilege Escalation
2022-05-25
Added to CISA KEV
Confirmed exploitation in the wild