Null Pointer Dereference Vulnerability in Newlib libc Library
CVE-2019-14878

6.5MEDIUM

Key Information:

Vendor
Red Hat
Status
Newlib
Vendor
CVE Published:
19 March 2020

Summary

The vulnerability arises in the __d2b function of the Newlib libc library, where the Balloc function allocates a big integer without validating the success of the memory allocation. This oversight can lead to a null pointer dereference when attempting to access an uninitialized pointer, resulting in potential application crashes or unexpected behavior.

Affected Version(s)

newlib all newlib versions prior to 3.3.0

References

https://census-labs.com/news/2020/01/31/multiple-null-poi...
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CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.