CVE-2016-2191: Buffer Overflow
First published: Wed Apr 13 2016(Updated: )
The bmp_read_rows function in pngxtern/pngxrbmp.c in OptiPNG before 0.7.6 allows remote attackers to cause a denial of service (invalid memory write and crash) via a series of delta escapes in a crafted BMP image.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| OptiPNG | =0.7.2 | |
| Ubuntu Linux | =12.04 | |
| Ubuntu Linux | =14.04 | |
| Ubuntu Linux | =15.04 | |
| Debian GNU/Linux | =7.0 | |
| Debian GNU/Linux | =8.0 | |
| openSUSE | =42.1 | |
| openSUSE | =13.2 |
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Reference Links
- http://lists.opensuse.org/opensuse-updates/2016-04/msg00061.html
- http://lists.opensuse.org/opensuse-updates/2016-04/msg00065.html
- http://packetstormsecurity.com/files/136553/Optipng-Invalid-Write.html
- http://seclists.org/fulldisclosure/2016/Apr/15
- http://www.debian.org/security/2016/dsa-3546
- http://www.openwall.com/lists/oss-security/2016/04/04/2
- http://www.securityfocus.com/archive/1/537972/100/0/threaded
- http://www.ubuntu.com/usn/USN-2951-1
- https://security.gentoo.org/glsa/201608-01
- https://sourceforge.net/p/optipng/bugs/59/
Frequently Asked Questions
What is the severity of CVE-2016-2191?
CVE-2016-2191 has a severity rating classified as high due to its potential to cause denial of service.
How do I fix CVE-2016-2191?
To mitigate CVE-2016-2191, upgrade OptiPNG to version 0.7.6 or later.
Which software is affected by CVE-2016-2191?
CVE-2016-2191 affects OptiPNG versions prior to 0.7.6 as well as specific versions of Ubuntu and Debian.
What kind of attack does CVE-2016-2191 enable?
CVE-2016-2191 allows remote attackers to exploit a crafted BMP image leading to a denial of service.
Is CVE-2016-2191 exploitable over a network?
Yes, CVE-2016-2191 can be exploited via crafted BMP images sent over the network.
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- agent/event
- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/optipng
- canonical/optipng
- version/optipng/0.7.2
- vendor/canonical
- canonical/ubuntu linux
- version/ubuntu linux/12.04
- version/ubuntu linux/14.04
- version/ubuntu linux/15.04
- vendor/debian
- canonical/debian gnu/linux
- version/debian gnu/linux/7.0
- version/debian gnu/linux/8.0
- vendor/opensuse
- canonical/opensuse
- version/opensuse/42.1
- version/opensuse/13.2