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MitreCVE-2020-15904

HistoryJul 22, 2020 - 11:15 p.m.

CVE-2020-15904

2020-07-2223:15:11

CWE-787

mitre

web.nvd.nist.gov

cve-2020-15904

buffer overflow

bsdiff4

patching routine

heap memory

nvd

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.6

Confidence

High

EPSS

0.001

Percentile

36.8%

JSON

A buffer overflow in the patching routine of bsdiff4 before 1.2.0 allows an attacker to write to heap memory (beyond allocated bounds) via a crafted patch file.

Affected configurations

Nvd

Node

pypibsdiff4Range<1.2.0

VendorProductVersionCPE
pypibsdiff4*cpe:2.3:a:pypi:bsdiff4:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
pypi	bsdiff4	*	cpe:2.3:a:pypi:bsdiff4::::::::

References

github.com/ilanschnell/bsdiff4/blob/master/CHANGELOG.txt

github.com/ilanschnell/bsdiff4/commit/49a4cee2feef7deaf9d89e5e793a8824930284d7

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.6

Confidence

High

EPSS

0.001

Percentile

36.8%

JSON

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