CVE Database›Document archive›CVE-2020-18771

CVE-2020-18771

exiv2: buffer overflow in Exiv2::Internal::Nikon1MakerNote::print0x0088 in nikonmn_int.cpp

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Severity

Low

Red Hat Product Security

3.5

CVSS 3.1

Review impact separately from score.

Published · March 25, 2019

Updated · November 21, 2025

Description

Exiv2 0.27.99.0 has a global buffer over-read in Exiv2::Internal::Nikon1MakerNote::print0x0088 in nikonmn_int.cpp which can result in an information leak.

Statement

Red Hat Product Security has determined the Impact to this bug as low for the following reasons:

  • The attacker needs access to the system to trigger the bug as exiv2 is a library accompanied by a command line utility.
  • While it is possible to crash exiv2 with a malicious payload, there is no known exploit to be able to run arbitrary code or escalate privileges. This only creates an availability problem.
  • The bug does not affect any other resources in terms of integrity, confidentiality or avialability.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 3.5
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L

CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer