Little CMS 2.9 tificc cmsxform.c PrecalculatedXFORM TIFF File out-of-bounds write ⚔ [Disputed]

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Little CMS 2.9. It has been declared as critical. This affects the function PrecalculatedXFORM of the file cmsxform.c of the component tificc. The manipulation as part of TIFF File results in out-of-bounds write. This vulnerability is reported as CVE-2018-11555. The attack requires a local approach. No exploit exists. The real existence of this vulnerability is still doubted at the moment.

Detailsinfo

A vulnerability, which was classified as critical, was found in Little CMS 2.9 (Content Management System). Affected is the function PrecalculatedXFORM of the file cmsxform.c of the component tificc. The manipulation as part of a TIFF File leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

tificc in Little CMS 2.9 has an out-of-bounds write in the PrecalculatedXFORM function in cmsxform.c in liblcms2.a via a crafted TIFF file.

The bug was discovered 05/28/2018. The weakness was disclosed 05/30/2018 (Website). The advisory is available at github.com. This vulnerability is traded as CVE-2018-11555 since 05/29/2018. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $0-$5k. The real existence of this vulnerability is still doubted at the moment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entry VDB-118363 is pretty similar. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 7.0

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 7.8
CNA Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/28/2018 🔍
05/29/2018 +1 days 🔍
05/30/2018 +0 days 🔍
05/30/2018 +0 days 🔍
05/30/2018 +0 days 🔍
08/05/2024 +2259 days 🔍

Sourcesinfo

Advisory: 167
Status: Not defined
Disputed: 🔍

CVE: CVE-2018-11555 (🔍)
GCVE (CVE): GCVE-0-2018-11555
GCVE (VulDB): GCVE-100-118362
See also: 🔍

Entryinfo

Created: 05/30/2018 16:59
Updated: 08/05/2024 11:18
Changes: 05/30/2018 16:59 (60), 02/09/2020 20:54 (1), 03/17/2023 16:38 (3), 06/18/2024 23:05 (49), 08/05/2024 11:18 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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