CVE-2007-4635: yahoo messenger Improper Input Validation

Vulnerability summary

CVE-2007-4635 is a medium (CVSS 5.0) Improper Input Validation vulnerability in yahoo messenger. EPSS estimates a 2.15% chance of exploitation in the next 30 days, higher than 81.8% of scored vulnerabilities. 2 public exploits are recorded.

Timeline

1. 31-08-2007
   PublishedVulnerability first disclosed.
2. 16-09-2024
   Last modifiedVulnerability information updated.

Description

Yahoo! Messenger 8.1.0.209 and 8.1.0.402 allows remote attackers to cause a denial of service (application crash) via certain file-transfer packets, possibly involving a buffer overflow, as demonstrated by ym8bug.exe. NOTE: this might be related to CVE-2007-4515. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.

• 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.
• 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.