The TIFFFetchNormalTag function in LibTiff 4.0.6 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) by setting the tags TIFF_SETGET_C16ASCII or TIFF_SETGET_C32_ASCII to values that access 0-byte arrays. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-9297.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2016-9448 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 | 4.3 |
---|---|
Base Metrics | AV:N/AC:M/Au:N/C:N/I:N/A:P |
Access Vector | Network |
Access Complexity | Medium |
Authentication | None |
Confidentiality Impact | None |
Integrity Impact | None |
Availability Impact | Partial |
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
CVSS3 Base Score | 3.3 |
---|---|
CVSS3 Base Metrics | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L |
Attack Vector | Local |
Attack Complexity | Low |
Privileges Required | None |
User Interaction | Required |
Scope | Unchanged |
Confidentiality | None |
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 | Not affected |
Red Hat Enterprise Linux 7 | compat-libtiff3 | Not affected |
Red Hat Enterprise Linux 6 | libtiff | Not affected |
Red Hat Enterprise Linux 5 | libtiff | Not affected |