MGASA-2018-0409 - Updated libtiff packages fix security vulnerabilities

Publication date: 20 Oct 2018
URL: https://advisories.mageia.org/MGASA-2018-0409.html
Type: security
Affected Mageia releases: 6
CVE: CVE-2016-5319,
     CVE-2017-17942,
     CVE-2018-10779

Heap-based buffer overflow in tif_packbits.c in libtiff 4.0.6 and earlier
allows remote attackers to crash the application via a crafted bmp file
(CVE-2016-5319).

In LibTIFF 4.0.9, there is a heap-based buffer over-read in the function
PackBitsEncode in tif_packbits.c (CVE-2017-17942).

TIFFWriteScanline in tif_write.c in LibTIFF 3.8.2 has a heap-based buffer
over-read, as demonstrated by bmp2tiff (CVE-2018-10779).

References:
- https://bugs.mageia.org/show_bug.cgi?id=23142
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5319
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-17942
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-10779

SRPMS:
- 6/core/libtiff-4.0.9-1.6.mga6