Exiv2 0.26 parseTXTChunk Image File memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.8$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Exiv2 0.26. This vulnerability affects the function Exiv2::Internal::PngChunk::parseTXTChunk. Performing a manipulation as part of Image File results in memory corruption. This vulnerability is cataloged as CVE-2018-16336. It is possible to initiate the attack remotely. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Exiv2 0.26 (Image Processing Software). This affects the function Exiv2::Internal::PngChunk::parseTXTChunk. The manipulation as part of a Image File leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Exiv2::Internal::PngChunk::parseTXTChunk in Exiv2 v0.26 allows remote attackers to cause a denial of service (heap-based buffer over-read) via a crafted image file, a different vulnerability than CVE-2018-10999.

The bug was discovered 08/14/2018. The weakness was shared 09/02/2018 (Website). The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2018-16336 since 09/01/2018. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 18 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 118240 (Debian DLA-1551-1 : exiv2 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 197336 (Ubuntu Security Notification for Exiv2 Vulnerabilities (USN-3852-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 2 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (118240) and SecurityFocus (BID 100030†). The entries VDB-101786, VDB-104439, VDB-104559 and VDB-107246 are related to this item. 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: 6.9
VulDB Meta Temp Score: 6.8

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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NVD Base Score: 🔍

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: 118240
Nessus Name: Debian DLA-1551-1 : exiv2 security update
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

07/27/2017 🔍
08/14/2018 +383 days 🔍
09/01/2018 +17 days 🔍
09/01/2018 +0 days 🔍
09/02/2018 +1 days 🔍
09/03/2018 +1 days 🔍
10/21/2018 +48 days 🔍
10/22/2018 +1 days 🔍
05/06/2023 +1657 days 🔍

Sourcesinfo

Product: github.com

Advisory: DLA 1402-1
Status: Confirmed

CVE: CVE-2018-16336 (🔍)
GCVE (CVE): GCVE-0-2018-16336
GCVE (VulDB): GCVE-100-123489
SecurityFocus: 100030 - Exiv2 'tiffvisitor.cpp' Remote Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 09/03/2018 06:46
Updated: 05/06/2023 14:35
Changes: 09/03/2018 06:46 (74), 03/19/2020 23:18 (5), 05/06/2023 14:30 (4), 05/06/2023 14:32 (1), 05/06/2023 14:35 (1)
Complete: 🔍
Cache ID: 216::103

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

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