CVE-2010-0453: sun opensolaris Improper Input Validation

Vulnerability summary

CVE-2010-0453 is a medium (CVSS 4.9) Improper Input Validation vulnerability in sun opensolaris. EPSS estimates a 0.83% chance of exploitation in the next 30 days, higher than 57.1% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 03-02-2010
   PublishedVulnerability first disclosed.
2. 07-08-2024
   Last modifiedVulnerability information updated.

Description

The ucode_ioctl function in intel/io/ucode_drv.c in Sun Solaris 10 and OpenSolaris snv_69 through snv_133, when running on x86 architectures, allows local users to cause a denial of service (panic) via a request with a 0 size value to the UCODE_GET_VERSION IOCTL, which triggers a NULL pointer dereference in the ucode_get_rev function, related to retrieval of the microcode revision.

• CWE-20Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.