CVE-2020-27795

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Source
https://nvd.nist.gov/vuln/detail/CVE-2020-27795
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-27795.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2020-27795
Related
Published
2022-08-19T23:15:08Z
Modified
2025-01-15T01:46:43.211546Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

A segmentation fault was discovered in radare2 with adf command. In libr/core/cmdanal.c, when command "adf" has no or wrong argument, analfcndata (core, input + 1) --> RAnalFunction *fcn = ranalgetfcnin (core->anal, core->offset, -1); returns null pointer for fcn causing segmentation fault later in ensurefcn_range (fcn).

References

Affected packages

Debian:13 / radare2

Package

Name
radare2
Purl
pkg:deb/debian/radare2?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.0.0+dfsg-1

Affected versions

0.*

0.6-1
0.7-1
0.7-2
0.7-3
0.8.1-1
0.8.8-1
0.8.8-2
0.9-1
0.9-2
0.9-3
0.9.4-1
0.9.4-2
0.9.6-1
0.9.6-2
0.9.6-3
0.9.6-3.1
0.10.5+dfsg-1
0.10.5+dfsg1-1
0.10.6+dfsg-1

1.*

1.0+dfsg-1
1.0.2+dfsg-1
1.1.0+dfsg-1
1.1.0+dfsg-2
1.1.0+dfsg-3
1.1.0+dfsg-4
1.1.0+dfsg-5
1.2.0+dfsg-1
1.2.1+dfsg-1
1.2.1+dfsg-2
1.2.1+dfsg-3
1.2.1+dfsg-4
1.2.1+dfsg-5
1.3.0+dfsg-1
1.3.0+dfsg-2
1.4.0+dfsg-1
1.5.0+dfsg-1
1.6.0+dfsg-1

2.*

2.0.0+dfsg-1
2.1.0+dfsg-1
2.3.0+dfsg-1
2.3.0+dfsg-2
2.4.0+dfsg-1
2.6.0+dfsg-1
2.7.0+dfsg-1
2.8.0+dfsg-1
2.9.0+dfsg-1

3.*

3.0.0+dfsg-1
3.0.1+dfsg-1
3.1.0+dfsg-1
3.1.2+dfsg-1
3.1.2+dfsg-1.1
3.2.1+dfsg-1
3.2.1+dfsg-2
3.2.1+dfsg-3
3.2.1+dfsg-4
3.2.1+dfsg-5
3.8.0+dfsg-1
3.9.0+dfsg-1

4.*

4.0.0+dfsg-1
4.2.1+dfsg-1
4.2.1+dfsg-2
4.3.1+dfsg-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Git / github.com/radare/radare2

Affected ranges

Type
GIT
Repo
https://github.com/radare/radare2
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
9ea0b7ce566cfdcfb3513f407c4056915204294a
Type
GIT
Repo
https://github.com/radareorg/radare2
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
4d3811681a80f92a53e795f6a64c4b0fc2c8dd22
Fixed
4d3811681a80f92a53e795f6a64c4b0fc2c8dd22

Affected versions

0.*

0.10.0
0.10.1
0.10.2
0.10.3
0.10.4
0.10.4-termux4
0.10.5
0.10.6
0.8.6
0.8.8
0.9
0.9.2
0.9.4
0.9.6
0.9.7
0.9.8
0.9.8-rc1
0.9.8-rc2
0.9.8-rc3
0.9.8-rc4
0.9.9

1.*

1.0
1.0.0
1.0.1
1.0.2
1.1.0
1.2.0
1.2.0-git
1.3.0
1.3.0-git
1.4.0
1.5.0
1.6.0

2.*

2.0.0
2.0.1
2.1.0
2.2.0
2.4.0
2.5.0
2.6.0
2.6.9
2.7.0
2.8.0
2.9.0

3.*

3.0.0
3.0.1
3.1.0
3.1.1
3.1.2
3.1.3
3.2.0
3.2.1
3.3.0
3.4.0
3.4.1
3.5.0
3.5.1
3.6.0
3.7.0
3.7.1
3.8.0
3.9.0

4.*

4.0.0
4.1.0
4.1.1
4.2.0
4.2.1
4.3.0
4.3.1

Other

Continuous-Windows
continuous
radare2-windows-nightly
termux