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Mageia: 2019-0101 Moderate: libtiff DoS Fix and Security Update

mageia
Calendar Grey February 22, 2019
Dist Mageia Esm H88
MGASA-2019-0101 - Updated libtiff packages fix security vulnerability Publication date: 22 Feb 2019
An Invalid Address dereference was discovered in TIFFWriteDirectoryTagTransferfunction in libtiff/tif_dirwrite.c in LibTIFF 4.0.10, affecting the cpSeparateBufToContigBuf function ...

Summary

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. (CVE-2019-7663)
The invertImage() function in tiffcrop.c:9206 allows remote attackers to cause a denial of service (heap buffer overflow) via invert color space.

References

- https://bugs.mageia.org/show_bug.cgi?id=24393

- http://bugzilla.maptools.org/show_bug.cgi?id=2831

- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/QLLVSXFUKP2QSOFI6RRTYD737HBS7UGT/

- https://www.cve.org/CVERecord?id=CVE-2019-7663

Topics%20covered

Topics Covered

security advisory denial of service software update libtiff Mageia

Resolution

SRPMS

- 6/core/libtiff-4.0.10-1.git20190219.1.mga6

Severity
important
Lowest
Low
Medium
High
Critical

Publication date: 22 Feb 2019
URL: https://advisories.mageia.org/MGASA-2019-0101.html
Type: security
CVE: CVE-2019-7663

Topics%20covered

Topics Covered

security advisory denial of service software update libtiff Mageia

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