LibTIFF 4.0.9 tif_packbits.c PackBitsEncode memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in LibTIFF 4.0.9. Affected by this issue is the function PackBitsEncode of the file tif_packbits.c. This manipulation causes memory corruption. This vulnerability is registered as CVE-2017-17942. Remote exploitation of the attack is possible. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in LibTIFF 4.0.9 (Image Processing Software) and classified as critical. Affected by this vulnerability is the function PackBitsEncode of the file tif_packbits.c. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

In LibTIFF 4.0.9, there is a heap-based buffer over-read in the function PackBitsEncode in tif_packbits.c.

The bug was discovered 12/27/2017. The weakness was published 12/28/2017 (Website). The advisory is shared at bugzilla.maptools.org. This vulnerability is known as CVE-2017-17942 since 12/28/2017. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 117448 (SUSE SLES11 Security Update : tiff (SUSE-SU-2018:2676-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 171720 (SUSE Enterprise Linux Security Update for tiff (SUSE-SU-2018:3879-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 10 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (117448) and SecurityFocus (BID 102312†). Similar entries are available at VDB-81883, VDB-81884, VDB-92306 and VDB-93967. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 117448
Nessus Name: SUSE SLES11 Security Update : tiff (SUSE-SU-2018:2676-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

12/27/2017 🔍
12/28/2017 +1 days 🔍
12/28/2017 +0 days 🔍
12/28/2017 +0 days 🔍
12/28/2017 +0 days 🔍
12/29/2017 +1 days 🔍
09/10/2018 +255 days 🔍
09/12/2018 +2 days 🔍
12/18/2019 +462 days 🔍

Sourcesinfo

Product: libtiff.org

Advisory: bugzilla.maptools.org
Status: Confirmed

CVE: CVE-2017-17942 (🔍)
GCVE (CVE): GCVE-0-2017-17942
GCVE (VulDB): GCVE-100-111145
SecurityFocus: 102312 - LibTIFF CVE-2017-17942 Heap Based Buffer Overflow Vulnerability

See also: 🔍

Entryinfo

Created: 12/29/2017 11:42
Updated: 12/18/2019 15:11
Changes: 12/29/2017 11:42 (67), 12/18/2019 15:11 (12)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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