CVE-2012-3423: redhat icedtea-web

Vulnerability summary

CVE-2012-3423 is a high (CVSS 7.5) vulnerability in redhat icedtea-web. EPSS estimates a 6.17% chance of exploitation in the next 30 days, higher than 93.4% of scored vulnerabilities. 2 public exploits are recorded.

Timeline

1. 07-08-2012
   PublishedVulnerability first disclosed.
2. 06-08-2024
   Last modifiedVulnerability information updated.

Description

The IcedTea-Web plugin before 1.2.1 does not properly handle NPVariant NPStrings without NUL terminators, which allows remote attackers to cause a denial of service (crash), obtain sensitive information from memory, or execute arbitrary code via a crafted Java applet.

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.