LibTIFF 4.0.9 JBIG tif_jbig.c JBIGDecode out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in LibTIFF 4.0.9. This vulnerability affects the function JBIGDecode of the file tif_jbig.c of the component JBIG Handler. The manipulation leads to out-of-bounds write. This vulnerability is listed as CVE-2018-18557. The attack may be initiated remotely. In addition, an exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in LibTIFF 4.0.9 (Image Processing Software) and classified as critical. This issue affects the function JBIGDecode of the file tif_jbig.c of the component JBIG Handler. 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:

LibTIFF 4.0.9 (with JBIG enabled) decodes arbitrarily-sized JBIG into a buffer, ignoring the buffer size, which leads to a tif_jbig.c JBIGDecode out-of-bounds write.

The bug was discovered 10/14/2018. The weakness was presented 10/22/2018 (Website). It is possible to read the advisory at gitlab.com. The identification of this vulnerability is CVE-2018-18557 since 10/22/2018. 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 as well as a public exploit are known.

The exploit is available at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 8 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 118470 (Debian DLA-1557-1 : tiff security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 171726 (SUSE Enterprise Linux Security Update for tiff (SUSE-SU-2018:3911-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 7 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (45694), Tenable (118470) and SecurityFocus (BID 105370†). See VDB-113795, VDB-114882, VDB-117544 and VDB-124108 for similar entries. 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: 7.6
VulDB Meta Temp Score: 7.2

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
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: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 118470
Nessus Name: Debian DLA-1557-1 : tiff security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: gitlab.com

Timelineinfo

09/16/2018 🔍
10/14/2018 +28 days 🔍
10/22/2018 +7 days 🔍
10/22/2018 +0 days 🔍
10/22/2018 +0 days 🔍
10/23/2018 +1 days 🔍
10/28/2018 +5 days 🔍
10/29/2018 +1 days 🔍
11/26/2024 +2220 days 🔍

Sourcesinfo

Product: libtiff.org

Advisory: RHSA-2019:2053
Status: Confirmed

CVE: CVE-2018-18557 (🔍)
GCVE (CVE): GCVE-0-2018-18557
GCVE (VulDB): GCVE-100-125843

OVAL: 🔍

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

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 10/23/2018 06:59
Updated: 11/26/2024 21:29
Changes: 10/23/2018 06:59 (77), 04/05/2020 21:51 (8), 05/30/2023 14:55 (5), 11/26/2024 21:29 (14)
Complete: 🔍
Cache ID: 216::103

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