CVE-2018-5784
First published: Fri Jan 19 2018(Updated: )
In LibTIFF 4.0.9, there is an uncontrolled resource consumption in the TIFFSetDirectory function of tif_dir.c. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted tif file. This occurs because the declared number of directory entries is not validated against the actual number of directory entries.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| IBM Cognos Analytics | <=12.0.0-12.0.3 | |
| IBM Cognos Analytics | <=11.2.0-11.2.4 FP4 | |
| debian/tiff | 4.2.0-1+deb11u5 4.2.0-1+deb11u6 4.5.0-6+deb12u2 4.5.0-6+deb12u1 4.5.1+git230720-5 | |
| libtiff | =4.0.9 | |
| Debian | =7.0 | |
| Debian | =8.0 | |
| Debian | =9.0 | |
| Ubuntu | =14.04 | |
| Ubuntu | =16.04 | |
| Ubuntu | =17.10 |
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Reference Links
- http://bugzilla.maptools.org/show_bug.cgi?id=2772
- https://gitlab.com/libtiff/libtiff/commit/473851d211cf8805a161820337ca74cc9615d6ef
- https://lists.debian.org/debian-lts-announce/2018/05/msg00022.html
- https://lists.debian.org/debian-lts-announce/2018/07/msg00002.html
- https://usn.ubuntu.com/3602-1/
- https://usn.ubuntu.com/3606-1/
- https://www.debian.org/security/2018/dsa-4349
- https://launchpad.net/bugs/cve/CVE-2018-5784
- https://security-tracker.debian.org/tracker/CVE-2018-5784
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-5784
- https://nvd.nist.gov/vuln/detail/CVE-2018-5784
- https://ubuntu.com/security/CVE-2018-5784
- https://www.ibm.com/support/pages/node/7177223 (Advisory)
Frequently Asked Questions
What is the severity of CVE-2018-5784?
CVE-2018-5784 has been classified as a denial of service vulnerability due to uncontrolled resource consumption.
How do I fix CVE-2018-5784?
To mitigate CVE-2018-5784, you should apply the patches provided by IBM for Cognos Analytics or update the TIFF package on Debian.
Which versions of IBM Cognos Analytics are affected by CVE-2018-5784?
CVE-2018-5784 affects IBM Cognos Analytics versions 11.2.0 to 11.2.4 FP4 and 12.0.0 to 12.0.3.
Which versions of the TIFF package are vulnerable to CVE-2018-5784?
The TIFF package version 4.0.9 is vulnerable to CVE-2018-5784.
Can remote attackers exploit CVE-2018-5784?
Yes, remote attackers can leverage CVE-2018-5784 to cause denial of service by sending crafted TIFF files.
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