CVE-2017-12944
Published: 18 August 2017
The TIFFReadDirEntryArray function in tif_read.c in LibTIFF 4.0.8 mishandles memory allocation for short files, which allows remote attackers to cause a denial of service (allocation failure and application crash) in the TIFFFetchStripThing function in tif_dirread.c during a tiff2pdf invocation.
Notes
| Author | Note |
|---|---|
| mdeslaur | we will not be fixing this issue in precise/esm |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
tiff Launchpad, Ubuntu, Debian |
artful |
Released
(4.0.8-5ubuntu0.1)
|
| trusty |
Released
(4.0.3-7ubuntu0.8)
|
|
| upstream |
Released
(4.0.8-6)
|
|
| xenial |
Released
(4.0.6-1ubuntu0.3)
|
|
| zesty |
Ignored
(end of life)
|
|
|
Patches: upstream: https://github.com/vadz/libtiff/commit/dc02f9050311a90b3c0655147cee09bfa7081cfc |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.5 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |