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ubuntuUbuntuUSN-4500-1
HistorySep 15, 2020 - 12:00 a.m.

bsdiff vulnerabilities

2020-09-1500:00:00
ubuntu.com
78

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8 High

AI Score

Confidence

High

7.2 High

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

0.959 High

EPSS

Percentile

99.4%

Releases

  • Ubuntu 16.04 ESM

Packages

  • bsdiff - generate/apply a patch between two binary files

Details

It was discovered that bsdiff mishandled certain input. If a user were tricked
into opening a malicious file, an attacker could cause bsdiff to crash or
potentially execute arbitrary code.

OSVersionArchitecturePackageVersionFilename
Ubuntu16.04noarchbsdiff< 4.3-15+deb8u1build0.16.04.1UNKNOWN
Ubuntu16.04noarchbsdiff-dbgsym< 4.3-15+deb8u1build0.16.04.1UNKNOWN

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8 High

AI Score

Confidence

High

7.2 High

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

0.959 High

EPSS

Percentile

99.4%