CVE-2017-18005 : Exiv2 0.26 has a Null Pointer Dereference in the Exiv2::DataValue::toLong functi

Exiv2 0.26 has a Null Pointer Dereference in the Exiv2::DataValue::toLong function in value.cpp, related to crafted metadata in a TIFF file.

Published 2017-12-31 19:29:00

Updated 2023-01-13 16:44:52

Source MITRE

View at NVD, CVE.org

Vulnerability category: Memory Corruption

Products affected by CVE-2017-18005

Debian » Debian Linux » Version: 10.0
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
Matching versions
Exiv2 » Exiv2 » Version: 0.26
cpe:2.3:a:exiv2:exiv2:0.26:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.06%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 27 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.3	MEDIUM	AV:N/AC:M/Au:N/C:N/I:N/A:P	8.6	2.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
5.5	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H	1.8	3.6	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

Assigned by: nvd@nist.gov (Primary)

https://github.com/Exiv2/exiv2/issues/168

CVE-2017-18005: NULL Pointer Dereference while extracting metadata of a malformed tiff · Issue #168 · Exiv2/exiv2 · GitHub
Exploit;Issue Tracking;Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/01/msg00004.html

[SECURITY] [DLA 3265-1] exiv2 security update
Mailing List;Third Party Advisory

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