LibTIFF 4.0.9 tiffcp.c cpSeparateBufToContigBuf TIFF File memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.9$0-$5k0.00

Summaryinfo

A vulnerability was found in LibTIFF 4.0.9. It has been rated as critical. This affects the function cpSeparateBufToContigBuf of the file tiffcp.c. This manipulation as part of TIFF File causes memory corruption. This vulnerability is handled as CVE-2018-12900. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is advised.

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 cpSeparateBufToContigBuf of the file tiffcp.c. The manipulation as part of a TIFF File 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:

Heap-based buffer overflow in the cpSeparateBufToContigBuf function in tiffcp.c in LibTIFF 4.0.9 allows remote attackers to cause a denial of service (crash) or possibly have unspecified other impact via a crafted TIFF file.

The bug was discovered 06/26/2018. The weakness was released 06/26/2018 (Website). The advisory is shared at bugzilla.maptools.org. This vulnerability is known as CVE-2018-12900 since 06/26/2018. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 119297 (openSUSE Security Update : tiff (openSUSE-2018-1479)), 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 6 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (119297) and SecurityFocus (BID 105342†). Entries connected to this vulnerability 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: 8.0
VulDB Meta Temp Score: 7.9

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
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: 119297
Nessus Name: openSUSE Security Update : tiff (openSUSE-2018-1479)
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: 🔍
Exposure Time: 🔍

Timelineinfo

06/26/2018 🔍
06/26/2018 +0 days 🔍
06/26/2018 +0 days 🔍
06/26/2018 +0 days 🔍
06/27/2018 +1 days 🔍
09/13/2018 +78 days 🔍
11/29/2018 +77 days 🔍
11/30/2018 +1 days 🔍
03/29/2023 +1580 days 🔍

Sourcesinfo

Product: libtiff.org

Advisory: RHSA-2019:2053
Status: Confirmed

CVE: CVE-2018-12900 (🔍)
GCVE (CVE): GCVE-0-2018-12900
GCVE (VulDB): GCVE-100-120001
SecurityFocus: 105342 - LibTIFF 'tif_unix.c' Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 06/27/2018 17:38
Updated: 03/29/2023 08:53
Changes: 06/27/2018 17:38 (71), 02/22/2020 16:20 (8), 03/29/2023 08:53 (4)
Complete: 🔍
Cache ID: 216::103

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

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