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CVE-2012-1723

Oracle — Oracle Java SE Runtime Environment (JRE) Arbitrary Code Execution Vulnerability

Oracle · CWE-284 · in CISA KEV since 2022-03-03

ExigentKEV since 2022 · listed over a yearRansomwareCISA KEVActively Exploited
92

EVRS 92 of 100 Immediate

Out-of-Band / Urgent Remediation

Rank 106 of 2,960 tracked

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Why it scores 92

Evidence available: 6 of 7 signals

Listed in the CISA KEV catalog, and associated with known ransomware campaigns.

  • CISA KEVApplied
  • RansomwareApplied
  • Vendor exploitationDid not apply
  • EPSSApplied
  • Microsoft Exploitability IndexNot applicable
  • Pre-patch disclosureNo data
  • KEV recencyDid not apply
  • CVSSApplied

The band answers “how soon”, not “how bad”. No data for: Pre-patch disclosure. Why some signals show no data

Fix

Patch or fixed version identified

CISA required action

Fixed in

jdk: update to a version newer than 1.4.2_37 | jre: update to a version newer than 1.4.2_37 | icedtea6: update to 1.10.8 or later | icedtea6: update to 1.11.3 or later

Affected versions

  • jdk<= 1.4.2_371.5.01.6.01.7.0
  • jre<= 1.4.2_371.5.01.6.01.7.0
  • icedtea6< 1.10.8>= 1.11.0 < 1.11.3
  • enterprise linux desktop5.06.0
  • enterprise linux eus6.2
  • enterprise linux server5.06.0
  • enterprise linux server aus6.2
  • enterprise linux workstation5.06.0

Remediation

Apply updates per vendor instructions.

Fixed versions from NVD.

Evidence

Each value with its source
MeasureValueSource
CVSS base scoreHow severe the flaw is in itself. It does not say how likely an attack is. 9.8 NVD
FIRST EPSSFIRST's estimate of the chance this is exploited in the next 30 days, and how that ranks against all CVEs. 0.936 (99.84th pctl) FIRST EPSS
Actively exploitedWhether a source of record has confirmed attacks using it in the wild. Confirmed CISA KEV
Ransomware campaign useWhether CISA has seen ransomware operators use it. Known CISA KEV
CISA remediation deadlineThe date US federal agencies must have fixed or mitigated it. 2022-03-24 · KEV since 2022 · listed over a year CISA KEV
Public exploit moduleA module existing is not the same as active exploitation. Public module exists Metasploit
EUVD cross-referenceENISA's record: CVSS 9.8 (v3.1), assigned by oracle. Listed ENISA EUVD

Description

NVD

Unspecified vulnerability in the Java Runtime Environment (JRE) component in Oracle Java SE 7 update 4 and earlier, 6 update 32 and earlier, 5 update 35 and earlier, and 1.4.2_37 and earlier allows remote attackers to affect confidentiality, integrity, and availability via unknown vectors related to Hotspot.

What CISA says to do

Public module

Metasploit lists a public excellent-rank module for this CVE: Java Applet Field Bytecode Verifier Cache Remote Code Execution (multi/browser/java_verifier_field_access). A module existing is not the same as active exploitation; see metasploit.com.