Out-of-Bounds Write Vulnerability in glibc Affecting PowerPC Systems
CVE-2020-1751

5.1MEDIUM

Key Information:

Vendor

Red Hat
Status
Glibc
Vendor
CVE Published:
17 April 2020

What is CVE-2020-1751?

An out-of-bounds write vulnerability has been detected in glibc prior to version 2.31 that affects PowerPC architectures. In particular, the backtrace function fails to properly validate array bounds while saving frame addresses. This flaw can lead to denial of service and opens the door for potential code execution, posing a significant threat to system availability and stability. Systems utilizing vulnerable versions of glibc are at risk and should be updated promptly.

Affected Version(s)

glibc 2.31

References

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1751
x_refsource_CONFIRM
https://sourceware.org/bugzilla/show_bug.cgi?id=25423
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https://security.netapp.com/advisory/ntap-20200430-0002/
x_refsource_CONFIRM

CVSS V3.1

Score:
5.1
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2020-1751 : Out-of-Bounds Write Vulnerability in glibc Affecting PowerPC Systems