CVE-2017-18013: Null Pointer Dereference
First published: Mon Jan 01 2018(Updated: )
In LibTIFF 4.0.9, there is a Null-Pointer Dereference in the tif_print.c TIFFPrintDirectory function, as demonstrated by a tiffinfo crash.
Credit: cve@mitre.org 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 |
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Reference Links
- http://bugzilla.maptools.org/show_bug.cgi?id=2770
- http://www.securityfocus.com/bid/102345
- https://gitlab.com/libtiff/libtiff/commit/c6f41df7b581402dfba3c19a1e3df4454c551a01
- https://lists.debian.org/debian-lts-announce/2018/01/msg00033.html
- https://lists.debian.org/debian-lts-announce/2018/01/msg00034.html
- https://usn.ubuntu.com/3602-1/
- https://usn.ubuntu.com/3606-1/
- https://www.debian.org/security/2018/dsa-4100
- https://launchpad.net/bugs/cve/CVE-2017-18013
- https://security-tracker.debian.org/tracker/CVE-2017-18013
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-18013
- https://nvd.nist.gov/vuln/detail/CVE-2017-18013
- https://ubuntu.com/security/CVE-2017-18013
- https://www.ibm.com/support/pages/node/7177223 (Advisory)
Frequently Asked Questions
What is the severity of CVE-2017-18013?
CVE-2017-18013 is classified as a denial of service vulnerability due to a null pointer dereference.
How do I fix CVE-2017-18013?
To fix CVE-2017-18013, update LibTIFF to version 4.0.10 or later, or apply the appropriate patches provided by the vendor.
Which software is affected by CVE-2017-18013?
CVE-2017-18013 affects LibTIFF versions prior to 4.0.10 and certain versions of IBM Cognos Analytics and Debian TIFF packages.
What kind of impact can CVE-2017-18013 have on a system?
CVE-2017-18013 can cause a denial of service, leading to application crashes when handling TIFF files.
Is there a known exploit for CVE-2017-18013?
There are no public exploits for CVE-2017-18013, but it is advisable to mitigate the risk by applying updates.
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