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Mageia: 2018-0409 Moderate: LibTIFF Heap Overflow and Remote Exploit

mageia
Calendar Grey October 20, 2018
Dist Mageia Esm H88
A vulnerability in libtiff related to heap overflow can lead to application crashes when malicious BMP files are processed. It's crucial to apply updates immediately.
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)

Summary

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://www.cve.org/CVERecord?id=CVE-2016-5319

- https://www.cve.org/CVERecord?id=CVE-2017-17942

- https://www.cve.org/CVERecord?id=CVE-2018-10779

Resolution

SRPMS

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

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

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