The TIFFReadRawStrip1 and TIFFReadRawTile1 functions in tif_read.c in libtiff before 4.0.7 allows remote attackers to cause a denial of service (crash) or possibly obtain sensitive information via a negative index in a file-content buffer.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2016-6223 from the MITRE CVE dictionary dictionary and NIST NVD.
NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.
| 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 |
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
| CVSS3 Base Score | 6.5 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L |
| Attack Vector | Network |
| Attack Complexity | Low |
| Privileges Required | None |
| User Interaction | None |
| 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 | Package | State |
|---|---|---|
| Red Hat Enterprise Linux 7 | libtiff | Will not fix |
| Red Hat Enterprise Linux 7 | compat-libtiff3 | Not affected |
| Red Hat Enterprise Linux 6 | libtiff | Not affected |
| Red Hat Enterprise Linux 5 | libtiff | Will not fix |
Vulmon