CVE-2016-8617
First published: Tue Oct 25 2016(Updated: )
The base64 encode function in curl before version 7.51.0 is prone to a buffer being under allocated in 32bit systems if it receives at least 1Gb as input via `CURLOPT_USERNAME`.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/curl | <7.51.0 | 7.51.0 |
| Curl | <7.51.0 |
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Reference Links
- http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
- http://www.securityfocus.com/bid/94097
- http://www.securitytracker.com/id/1037192
- https://access.redhat.com/errata/RHSA-2018:2486
- https://access.redhat.com/errata/RHSA-2018:3558
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8617
- https://curl.haxx.se/CVE-2016-8617.patch
- https://curl.haxx.se/docs/adv_20161102C.html
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E
- https://security.gentoo.org/glsa/201701-47
- https://www.tenable.com/security/tns-2016-21
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=1213772&action=diff
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=1213772&action=edit
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1390894
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1390895
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1390896
- https://bugzilla.redhat.com/show_bug.cgi?id=1388377
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
Frequently Asked Questions
What is the severity of CVE-2016-8617?
CVE-2016-8617 is considered a high severity vulnerability due to the potential for buffer overflow attacks on 32bit systems.
How do I fix CVE-2016-8617?
To fix CVE-2016-8617, upgrade curl to version 7.51.0 or later.
What systems are affected by CVE-2016-8617?
CVE-2016-8617 affects curl versions prior to 7.51.0 running on 32bit systems.
What causes the vulnerability in CVE-2016-8617?
The vulnerability in CVE-2016-8617 is caused by insufficient allocation checks in the base64 encode function when processing large inputs.
Can CVE-2016-8617 be exploited remotely?
Yes, CVE-2016-8617 can potentially be exploited remotely if the vulnerable curl version is used in an environment that accepts user-provided input.
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