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MitreCVE-2018-18826

HistoryOct 30, 2018 - 6:29 a.m.

CVE-2018-18826

2018-10-3006:29:00

CWE-787

mitre

web.nvd.nist.gov

heap-based buffer overflow

libav

denial-of-service

cve-2018-18826

nvd

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

EPSS

0.001

Percentile

45.5%

JSON

There exists a heap-based buffer overflow in vc1_decode_p_mb_intfi in vc1_block.c in Libav 12.3, which allows attackers to cause a denial-of-service via a crafted aac file.

Affected configurations

Nvd

Node

libavlibavMatch12.3

VendorProductVersionCPE
libavlibav12.3cpe:2.3:a:libav:libav:12.3:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
libav	libav	12.3	cpe:2.3:a:libav:libav:12.3:::::::*

References

bugzilla.libav.org/show_bug.cgi?id=1135

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

EPSS

0.001

Percentile

45.5%

JSON

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