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MitreCVE-2018-9145

HistoryMar 30, 2018 - 8:29 a.m.

CVE-2018-9145

2018-03-3008:29:00

CWE-20

mitre

web.nvd.nist.gov

cve-2018-9145

databuf class

exiv2 0.26

memory allocation

sigabrt

nvd

types.hpp

poc

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

AI Score

6.6

Confidence

High

EPSS

0.004

Percentile

71.9%

JSON

In the DataBuf class in include/exiv2/types.hpp in Exiv2 0.26, an issue exists in the constructor with an initial buffer size. A large size value may lead to a SIGABRT during an attempt at memory allocation. NOTE: some third parties have been unable to reproduce the SIGABRT when using the 4-DataBuf-abort-1 PoC file.

Affected configurations

Nvd

Node

exiv2exiv2Match0.26

VendorProductVersionCPE
exiv2exiv20.26cpe:2.3:a:exiv2:exiv2:0.26:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
exiv2	exiv2	0.26	cpe:2.3:a:exiv2:exiv2:0.26:::::::*

References

bugzilla.novell.com/show_bug.cgi?id=1087879

bugzilla.redhat.com/show_bug.cgi?id=1564281

github.com/xiaoqx/pocs/tree/master/exiv2

security.gentoo.org/glsa/201811-14

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

AI Score

6.6

Confidence

High

EPSS

0.004

Percentile

71.9%

JSON

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