The (1) putcontig8bitYCbCr21tile function in tif_getimage.c or (2) NeXTDecode function in tif_next.c in LibTIFF allows remote attackers to cause a denial of service (uninitialized memory access) via a crafted TIFF image, as demonstrated by libtiff-cvs-1.tif and libtiff-cvs-2.tif.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2014-9655 from the MITRE CVE dictionary dictionary and NIST NVD.
This issue affects the version of libtiff package as shipped with Red Hat Enterprise Linux 5, 6 and 7. A further update may address this flaw in Red Hat Enterprise Linux 6 and 7.
Red Hat Enterprise Linux 5 is now in Production 3 Phase of the support and maintenance life cycle. This has been rated as having Moderate security impact and is not currently planned to be addressed in future updates.
| Base Score | 5.8 |
|---|---|
| Base Metrics | AV:N/AC:M/Au:N/C:P/I:N/A:P |
| Access Vector | Network |
| Access Complexity | Medium |
| Authentication | None |
| Confidentiality Impact | Partial |
| Integrity Impact | None |
| Availability Impact | Partial |
| CVSS3 Base Score | 4.4 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L |
| Attack Vector | Local |
| Attack Complexity | Low |
| Privileges Required | None |
| User Interaction | Required |
| Scope | Unchanged |
| Confidentiality | Low |
| Integrity Impact | None |
| Availability Impact | Low |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
| Platform | Errata | Release Date |
|---|---|---|
| Red Hat Enterprise Linux 6 (libtiff) | RHSA-2016:1547 | 2016-08-02 |
| Red Hat Enterprise Linux 7 (libtiff) | RHSA-2016:1546 | 2016-08-02 |
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise Linux 5 | libtiff | Will not fix |
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