LibTIFF 4.0.9 tools/tiff2bw.c cpTags out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in LibTIFF 4.0.9. The impacted element is the function cpTags of the file tools/tiff2bw.c. The manipulation leads to out-of-bounds write. This vulnerability is traded as CVE-2018-17101. It is possible to initiate the attack remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in LibTIFF 4.0.9 (Image Processing Software). It has been rated as critical. This issue affects the function cpTags of the file tools/tiff2bw.c. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in LibTIFF 4.0.9. There are two out-of-bounds writes in cpTags in tools/tiff2bw.c and tools/pal2rgb.c, which can cause a denial of service (application crash) or possibly have unspecified other impact via a crafted image file.

The bug was discovered 09/07/2018. The weakness was shared 09/16/2018 (Website). The advisory is shared at bugzilla.maptools.org. The identification of this vulnerability is CVE-2018-17101 since 09/16/2018. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. 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 9 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 118321 (SUSE SLED12 / SLES12 Security Update : tiff (SUSE-SU-2018:3289-1)), 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 171667 (SUSE Enterprise Linux Security Update for tiff (SUSE-SU-2018:3289-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 2 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (118321) and SecurityFocus (BID 105370†). The entries VDB-102818, VDB-104510, VDB-113795 and VDB-114882 are related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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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: Out-of-bounds write
CWE: CWE-787 / 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: 118321
Nessus Name: SUSE SLED12 / SLES12 Security Update : tiff (SUSE-SU-2018:3289-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Timelineinfo

09/07/2018 🔍
09/16/2018 +8 days 🔍
09/16/2018 +0 days 🔍
09/16/2018 +0 days 🔍
09/16/2018 +0 days 🔍
09/17/2018 +1 days 🔍
10/22/2018 +35 days 🔍
10/23/2018 +1 days 🔍
05/16/2023 +1666 days 🔍

Sourcesinfo

Product: libtiff.org

Advisory: RHSA-2019:2053
Status: Confirmed

CVE: CVE-2018-17101 (🔍)
GCVE (CVE): GCVE-0-2018-17101
GCVE (VulDB): GCVE-100-124109

OVAL: 🔍

SecurityFocus: 105370 - LibTIFF CVE-2018-17101 Function Multiple Denial of Service Vulnerabilities

See also: 🔍

Entryinfo

Created: 09/17/2018 06:51
Updated: 05/16/2023 14:16
Changes: 09/17/2018 06:51 (76), 03/24/2020 10:46 (5), 05/16/2023 14:16 (4)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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