CVE-2016-8884: Null Pointer Dereference
First published: Tue Mar 28 2017(Updated: )
The bmp_getdata function in libjasper/bmp/bmp_dec.c in JasPer 1.900.5 allows remote attackers to cause a denial of service (NULL pointer dereference) by calling the imginfo command with a crafted BMP image. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-8690.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Jasper Reports | =1.900.5 | |
| Fedora | =23 | |
| Fedora | =24 |
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Reference Links
- http://www.openwall.com/lists/oss-security/2016/10/23/1
- http://www.openwall.com/lists/oss-security/2016/10/23/9
- http://www.securityfocus.com/bid/93834
- https://access.redhat.com/errata/RHSA-2017:1208
- https://blogs.gentoo.org/ago/2016/10/18/jasper-two-null-pointer-dereference-in-bmp_getdata-bmp_dec-c-incomplete-fix-for-cve-2016-8690/
- https://bugzilla.redhat.com/show_bug.cgi?id=1385499
- https://github.com/mdadams/jasper/commit/5d66894d2313e3f3469f19066e149e08ff076698
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/22FCKKHQCQ3S6TZY5G44EFDTMWOJXJRD/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EGI2FZQLOTSZI3VA4ECJERI74SMNQDL4/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/22FCKKHQCQ3S6TZY5G44EFDTMWOJXJRD/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EGI2FZQLOTSZI3VA4ECJERI74SMNQDL4/
Frequently Asked Questions
What is the severity of CVE-2016-8884?
CVE-2016-8884 is considered a denial of service vulnerability due to a NULL pointer dereference.
How do I fix CVE-2016-8884?
To fix CVE-2016-8884, update to a patched version of JasPer that addresses the issue.
What effect does CVE-2016-8884 have on affected systems?
CVE-2016-8884 allows remote attackers to crash systems through specially crafted BMP images.
Which software versions are affected by CVE-2016-8884?
The affected software versions include JasPer 1.900.5 and Fedora versions 23 and 24.
Can CVE-2016-8884 be exploited remotely?
Yes, CVE-2016-8884 can be exploited remotely by sending crafted BMP images to the affected applications.
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- version/jasper reports/1.900.5
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- version/fedora/23
- version/fedora/24