LibTIFF 4.0.3 Thumbnail Tool tif_dir.c checkInkNamesString TIFF Image out-of-bounds
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.8 | $0-$5k | 0.00 |
A vulnerability has been found in LibTIFF 4.0.3 (Image Processing Software) and classified as critical. Affected by this vulnerability is the function checkInkNamesString
of the file tif_dir.c of the component Thumbnail Tool. The manipulation as part of a TIFF Image leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
LibTIFF 4.0.3 allows remote attackers to cause a denial of service (out-of-bounds read and crash) via a crafted TIFF image to the (1) checkInkNamesString function in tif_dir.c in the thumbnail tool, (2) compresscontig function in tiff2bw.c in the tiff2bw tool, (3) putcontig8bitCIELab function in tif_getimage.c in the tiff2rgba tool, LZWPreDecode function in tif_lzw.c in the (4) tiff2ps or (5) tiffdither tool, (6) NeXTDecode function in tif_next.c in the tiffmedian tool, or (7) TIFFWriteDirectoryTagLongLong8Array function in tif_dirwrite.c in the tiffset tool.
The bug was discovered 01/26/2015. The weakness was released 06/26/2017 (oss-sec). It is possible to read the advisory at openwall.com. This vulnerability is known as CVE-2014-8127 since 10/10/2014. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.
The vulnerability was handled as a non-public zero-day exploit for at least 569 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 93011 (Amazon Linux AMI : libtiff (ALAS-2016-733)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Amazon Linux Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 157229 (Oracle Enterprise Linux Security Update for libtiff (ELSA-2016-1546)).
Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (93011). Entries connected to this vulnerability are available at 102823, 102824, 102825 and 102826.
Product
Type
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.9VulDB Meta Temp Score: 6.8
VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.5
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
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VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Out-of-boundsCWE: CWE-125 / CWE-119
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Nessus ID: 93011
Nessus Name: Amazon Linux AMI : libtiff (ALAS-2016-733)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 14611
OpenVAS Name: Amazon Linux Local Check: alas-2016-733
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
10/10/2014 🔍01/24/2015 🔍
01/26/2015 🔍
08/17/2016 🔍
08/18/2016 🔍
06/26/2017 🔍
06/26/2017 🔍
06/27/2017 🔍
12/09/2022 🔍
Sources
Product: libtiff.orgAdvisory: RHSA-2016:1546
Researcher: William Robinet, american fuzzy lop
Status: Not defined
Confirmation: 🔍
CVE: CVE-2014-8127 (🔍)
OVAL: 🔍
SecurityTracker: 1032760
SecurityFocus: 72323 - LibTIFF CVE-2014-8127 Out of Bounds Read Multiple Remote Denial of Service Vulnerabilities
See also: 🔍
Entry
Created: 06/27/2017 02:49Updated: 12/09/2022 08:15
Changes: 06/27/2017 02:49 (76), 10/20/2019 14:24 (6), 12/29/2020 16:58 (3), 12/29/2020 17:01 (1), 12/09/2022 08:15 (3)
Complete: 🔍
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