CVE-2018-7456: Null Pointer Dereference
First published: Sat Feb 24 2018(Updated: )
A NULL Pointer Dereference occurs in the function TIFFPrintDirectory in tif_print.c in LibTIFF 3.9.3, 3.9.4, 3.9.5, 3.9.6, 3.9.7, 4.0.0alpha4, 4.0.0alpha5, 4.0.0alpha6, 4.0.0beta7, 4.0.0, 4.0.1, 4.0.2, 4.0.3, 4.0.4, 4.0.4beta, 4.0.5, 4.0.6, 4.0.7, 4.0.8 and 4.0.9 when using the tiffinfo tool to print crafted TIFF information, a different vulnerability than CVE-2017-18013. (This affects an earlier part of the TIFFPrintDirectory function that was not addressed by the CVE-2017-18013 patch.)
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Libtiff Libtiff | =4.0.9 | |
| Debian Debian Linux | =7.0 | |
| Debian Debian Linux | =8.0 | |
| Debian Debian Linux | =9.0 | |
| Canonical Ubuntu Linux | =14.04 | |
| Canonical Ubuntu Linux | =16.04 | |
| Canonical Ubuntu Linux | =18.04 | |
| Canonical Ubuntu Linux | =18.10 | |
| debian/tiff | 4.2.0-1+deb11u5 4.5.0-6+deb12u1 4.5.1+git230720-5 | |
| IBM Cognos Analytics | <=12.0.0-12.0.3 | |
| IBM Cognos Analytics | <=11.2.0-11.2.4 FP4 |
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Reference Links
- http://bugzilla.maptools.org/show_bug.cgi?id=2778
- https://access.redhat.com/errata/RHSA-2019:2051
- https://access.redhat.com/errata/RHSA-2019:2053
- https://github.com/xiaoqx/pocs/tree/master/libtiff
- https://gitlab.com/libtiff/libtiff/commit/be4c85b16e8801a16eec25e80eb9f3dd6a96731b
- https://lists.debian.org/debian-lts-announce/2018/04/msg00010.html
- https://lists.debian.org/debian-lts-announce/2018/04/msg00011.html
- https://lists.debian.org/debian-lts-announce/2018/07/msg00002.html
- https://usn.ubuntu.com/3864-1/
- https://www.debian.org/security/2018/dsa-4349
- https://launchpad.net/bugs/cve/CVE-2018-7456
- https://access.redhat.com/security/cve/CVE-2017-18013
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1556709
- https://bugzilla.redhat.com/show_bug.cgi?id=1556708
- https://security-tracker.debian.org/tracker/CVE-2018-7456
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7456
- https://nvd.nist.gov/vuln/detail/CVE-2018-7456
- https://ubuntu.com/security/CVE-2018-7456
- https://www.ibm.com/support/pages/node/7177223 (Advisory)
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