Buffer Underallocation Vulnerability in Curl 7.51.0 and Earlier Versions
CVE-2016-8617

3.3LOW

Key Information:

Vendor

The Curl Project

Status
Curl
Vendor
CVE Published:
31 July 2018

What is CVE-2016-8617?

The base64 encode function in Curl versions prior to 7.51.0 contains a vulnerability that can lead to buffer underallocation on 32-bit systems. This issue arises when the CURLOPT_USERNAME option receives input of 1GB or more. Such underallocation could allow for potential exploitation, impacting the stability and security of applications relying on Curl for operations. Users of affected versions are strongly advised to upgrade to the latest version to safeguard against this vulnerability.

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Deploy the Patch

Affected Version(s)

curl 7.51.0

References

https://curl.haxx.se/docs/adv_20161102C.html
x_refsource_CONFIRM
https://access.redhat.com/errata/RHSA-2018:3558
vendor-advisoryx_refsource_REDHAT
https://curl.haxx.se/CVE-2016-8617.patch
x_refsource_CONFIRM

CVSS V3.1

Score:
3.3
Severity:
LOW
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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