medium6.5
CVE-2019-7663
An Invalid Address dereference was discovered in TIFFWriteDirectoryTagTransferfunction in libtiff/tif_dirwrite.c in LibTIFF 4.0.10, affecting the cpSeparateBuf…
Impact
An Invalid Address dereference was discovered in TIFFWriteDirectoryTagTransferfunction in libtiff/tif_dirwrite.c in LibTIFF 4.0.10, affecting the cpSeparateBufToContigBuf function in tiffcp.c. Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted tiff file. This is different from CVE-2018-12900.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Libtiff | Libtiff | Version 4.0.10 |
| Debian | Debian Linux | Version 8.0 |
| Canonical | Ubuntu Linux | Versions 12.04, 14.04, 16.04, 18.04, 18.10 |
| Opensuse | Leap | Version 15.0 |
References
- NVD record
- CVE.org record
- http://bugzilla.maptools.org/show_bug.cgi?id=2833
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00041.html
- https://gitlab.com/libtiff/libtiff/commit/802d3cbf3043be5dce5317e140ccb1c17a6a2d39
- https://lists.debian.org/debian-lts-announce/2019/02/msg00026.html
- https://security.gentoo.org/glsa/202003-25
- https://usn.ubuntu.com/3906-1/
- https://usn.ubuntu.com/3906-2/
- https://www.debian.org/security/2020/dsa-4670
- http://bugzilla.maptools.org/show_bug.cgi?id=2833
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00041.html
- https://gitlab.com/libtiff/libtiff/commit/802d3cbf3043be5dce5317e140ccb1c17a6a2d39
- https://lists.debian.org/debian-lts-announce/2019/02/msg00026.html
- https://security.gentoo.org/glsa/202003-25
- https://usn.ubuntu.com/3906-1/
- https://usn.ubuntu.com/3906-2/
- https://www.debian.org/security/2020/dsa-4670