CVE-2013-2423

Oracle Java Runtime Environment (JRE): JRE Unspecified

As of , CVE-2013-2423 in Oracle Java Runtime Environment (JRE) is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch this week.

Exploited
Yes: CISA listed it on 25 May 2022
US federal deadline
15 June 202221 days after CISA listed it. US federal civilian agencies must fix it by then.
Used in ransomware campaigns
Not known to CISA
EPSS score
0.85Higher than 99% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
EPSS when listed
0.83 on 25 May 2022EPSS on the day CISA listed it.
Public exploit
1 Metasploit module and 1 Exploit-DB entry (1 verified)
Fix
No vendor link in CISA's entry

What CISA says to do

Apply updates per vendor instructions.

CISA's required action

What the flaw is

Unspecified vulnerability in hotspot for Java Runtime Environment (JRE) allows remote attackers to affect integrity.

CISA's description

Unspecified vulnerability in the Java Runtime Environment (JRE) component in Oracle Java SE 7 Update 17 and earlier, and OpenJDK 7, allows remote attackers to affect integrity via unknown vectors related to HotSpot. NOTE: the previous information is from the April 2013 CPU. Oracle has not commented on claims from the original researcher that this vulnerability allows remote attackers to bypass permission checks by the MethodHandles method and modify arbitrary public final fields using reflection and type confusion, as demonstrated using integer and double fields to disable the security manager.

The CVE record's description, from oracle

CVE published
17 April 2013
Assigned by
oracle
CVSS
3.7 Low (CVSS 3.1, from CISA-ADP)
CWE-284
Improper Access Control
CISA SSVC, exploitation
active
CISA SSVC, automatable
no
CISA SSVC, technical impact
partial

Timeline

  1. The CVE record was published.
  2. Exploit-DB published an exploit (EDB-ID 24976).
  3. CISA added it to its list of exploited vulnerabilities.
  4. The US federal deadline to fix it.

Public exploits

Facts from Metasploit's module list and Exploit-DB's index; we never copy exploit code.

Java Runtime Environment (JRE): other exploited entries

VulnerabilityProductOur groupListedDeadlineEPSS
CVE-2010-0840JRE UnspecifiedOracle Java Runtime Environment (JRE)Patch this weekMetasploit module; EPSS 0.96; verified Exploit-DB entry0.96
CVE-2013-0422JRE Remote Code ExecutionOracle Java Runtime Environment (JRE)Patch this weekRansomware use; Metasploit module; EPSS 0.97; verified Exploit-DB entry0.97
CVE-2013-0431JRE Sandbox BypassOracle Java Runtime Environment (JRE)Patch this weekRansomware use; Metasploit module; EPSS 0.90; verified Exploit-DB entry0.90

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