LibTIFF 4.0.8 tiff2pdf tiff2pdf.c t2p_writeproc use after free ⚔ [Disputed]

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

Summaryinfo

A vulnerability identified as critical has been detected in LibTIFF 4.0.8. The affected element is the function t2p_writeproc of the file tiff2pdf.c of the component tiff2pdf. Performing a manipulation results in use after free. This vulnerability was named CVE-2017-17973. The attack may be initiated remotely. There is no available exploit. The existence of this vulnerability is still disputed at present. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in LibTIFF 4.0.8 (Image Processing Software). It has been classified as critical. This affects the function t2p_writeproc of the file tiff2pdf.c of the component tiff2pdf. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

In LibTIFF 4.0.8, there is a heap-based use-after-free in the t2p_writeproc function in tiff2pdf.c. NOTE: there is a third-party report of inability to reproduce this issue

The bug was discovered 12/29/2017. The weakness was presented 12/29/2017 (Website). It is possible to read the advisory at bugzilla.maptools.org. This vulnerability is uniquely identified as CVE-2017-17973 since 12/29/2017. 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 real existence of this vulnerability is still doubted at the moment. The vulnerability scanner Nessus provides a plugin with the ID 109716 (openSUSE Security Update : tiff (openSUSE-2018-443)), 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 171120 (SUSE Enterprise Linux Security Update for tiff (SUSE-SU-2018:1179-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 5 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (109716) and SecurityFocus (BID 102331†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Website

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

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 8.8
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: Use after free
CWE: CWE-416 / 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: 109716
Nessus Name: openSUSE Security Update : tiff (openSUSE-2018-443)
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

12/29/2017 🔍
12/29/2017 +0 days 🔍
12/29/2017 +0 days 🔍
12/29/2017 +0 days 🔍
12/29/2017 +0 days 🔍
12/30/2017 +1 days 🔍
05/10/2018 +131 days 🔍
05/11/2018 +1 days 🔍
07/03/2024 +2245 days 🔍

Sourcesinfo

Product: libtiff.org

Advisory: bugzilla.maptools.org
Researcher: xiaosatianyu
Status: Not defined
Disputed: 🔍

CVE: CVE-2017-17973 (🔍)
GCVE (CVE): GCVE-0-2017-17973
GCVE (VulDB): GCVE-100-111183
SecurityFocus: 102331 - LibTIFF CVE-2017-17973 Memory Corruption Vulnerability

Entryinfo

Created: 12/30/2017 11:58
Updated: 07/03/2024 13:42
Changes: 12/30/2017 11:58 (66), 12/18/2019 16:43 (9), 01/28/2021 10:13 (2), 06/04/2024 21:38 (28), 07/03/2024 13:42 (2)
Complete: 🔍
Cache ID: 216:D10:103

Be aware that VulDB is the high quality source for vulnerability data.

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