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CVE-2012-3401

Description

From CVE.org

The t2p_read_tiff_init function in tiff2pdf (tools/tiff2pdf.c) in LibTIFF 4.0.2 and earlier does not properly initialize the T2P context struct pointer in certain error conditions, which allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted TIFF image that triggers a heap-based buffer overflow.

Statement

The Red Hat Security Response Team has rated this issue as having moderate security impact. A future libtiff package update may address this issue in Red Hat Enterprise Linux 5 and 6. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.

Common Vulnerability Scoring System (CVSS) Score Details

Info alert:Important note

CVSS scores for open source components depend on vendor-specific factors (e.g. version or build chain). Therefore, Red Hat's score and impact rating can be different from NVD and other vendors. Red Hat remains the authoritative CVE Naming Authority (CNA) source for its products and services (see Red Hat classifications).

CVSS v2 Score Breakdown

Red HatNVDcve.org
Base Score6.86.8N/A
Attack VectorNetworkNetworkN/A
Access ComplexityMediumMediumN/A
AuthenticationNoneNoneN/A
Confidentiality ImpactPartialPartialN/A
Integrity ImpactPartialPartialN/A
Availability ImpactPartialPartialN/A

Vector

Red Hat: AV:N/AC:M/Au:N/C:P/I:P/A:P

NVD: AV:N/AC:M/Au:N/C:P/I:P/A:P

Acknowledgements

This issue was discovered by Huzaifa Sidhpurwala (Red Hat Security Response Team).

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