LibTIFF 4.0.9 tif_dirwrite.c TIFFWriteDirectorySec null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability has been found in LibTIFF 4.0.9 and classified as problematic. Affected is the function TIFFWriteDirectorySec of the file tif_dirwrite.c. Performing a manipulation results in null pointer dereference. This vulnerability is known as CVE-2018-19210. Remote exploitation of the attack is possible. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic has been found in LibTIFF 4.0.9 (Image Processing Software). This affects the function TIFFWriteDirectorySec of the file tif_dirwrite.c. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability. The summary by CVE is:

In LibTIFF 4.0.9, there is a NULL pointer dereference in the TIFFWriteDirectorySec function in tif_dirwrite.c that will lead to a denial of service attack, as demonstrated by tiffset.

The bug was discovered 11/13/2018. The weakness was published 11/12/2018 (Website). It is possible to read the advisory at bugzilla.maptools.org. This vulnerability is uniquely identified as CVE-2018-19210 since 11/12/2018. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 120181 (SUSE SLED15 / SLES15 Security Update : tiff (SUSE-SU-2018:4008-1)), 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 171783 (SUSE Enterprise Linux Security Update for tiff (SUSE-SU-2018:4191-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 4 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (120181) and SecurityFocus (BID 105932†). Similar entries are available at VDB-95845 and VDB-105468. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
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: 120181
Nessus Name: SUSE SLED15 / SLES15 Security Update : tiff (SUSE-SU-2018:4008-1)
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

11/12/2018 🔍
11/12/2018 +0 days 🔍
11/12/2018 +0 days 🔍
11/12/2018 +0 days 🔍
11/13/2018 +1 days 🔍
11/13/2018 +0 days 🔍
12/07/2018 +24 days 🔍
01/02/2019 +26 days 🔍
06/05/2023 +1615 days 🔍

Sourcesinfo

Product: libtiff.org

Advisory: 155095
Status: Confirmed

CVE: CVE-2018-19210 (🔍)
GCVE (CVE): GCVE-0-2018-19210
GCVE (VulDB): GCVE-100-126675
SecurityFocus: 105932 - LibTIFF CVE-2018-19210 Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 11/13/2018 08:04
Updated: 06/05/2023 16:09
Changes: 11/13/2018 08:04 (73), 04/11/2020 17:54 (5), 06/05/2023 16:04 (4), 06/05/2023 16:09 (1)
Complete: 🔍
Cache ID: 216::103

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