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ubuntucveUbuntu.comUB:CVE-2020-18773
HistoryAug 23, 2021 - 12:00 a.m.

CVE-2020-18773

2021-08-2300:00:00
ubuntu.com
ubuntu.com
10
exiv2
iptc.cpp
denial of service
tif file
memory access
cve-2020-18773

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:N/I:N/A:P

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

50.8%

An invalid memory access in the decode function in iptc.cpp of Exiv2
0.27.99.0 allows attackers to cause a denial of service (DOS) via a crafted
tif file.

Bugs

Notes

Author Note
mdeslaur doesn’t appear to be a fix from upstream as of 2023-09-15

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:N/I:N/A:P

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

50.8%