CVE-2018-20456
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2018-20456
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-20456.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2018-20456
- Downstream
- Published
- 2018-12-25T19:29:00.290Z
- Modified
- 2025-11-14T08:33:38.996789Z
- Severity
-
- 5.5 (Medium) CVSS_V3 - CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
In radare2 prior to 3.1.1, the parseOperand function inside libr/asm/p/asmx86nz.c may allow attackers to cause a denial of service (application crash in libr/util/strbuf.c via a stack-based buffer over-read) by crafting an input file, a related issue to CVE-2018-20455.
- References
Affected packages
Git / github.com/radare/radare2
Affected ranges
- Type
- GIT
- Repo
- https://github.com/radare/radare2
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedFixed
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
Other
radare2-windows-nightly
termux
Database specific
vanir_signatures
[
{
"signature_type": "Line",
"deprecated": false,
"digest": {
"line_hashes": [
"91826688001801390993882391060580842390",
"153573451393114912523381648709776456045",
"76273051819025290594568241401172330628",
"223983239877208572709103316397190836729",
"182546693358306982969485629985754146842"
],
"threshold": 0.9
},
"id": "CVE-2018-20456-c708ff72",
"target": {
"file": "libr/bin/format/mach0/dyldcache.c"
},
"source": "https://github.com/radare/radare2/commit/b143e1b1b5622ef2f41a90f4c0f7ed4c477caf40",
"signature_version": "v1"
},
{
"signature_type": "Function",
"deprecated": false,
"digest": {
"function_hash": "161720472885181522724332432472867243711",
"length": 217.0
},
"id": "CVE-2018-20456-f5af8262",
"target": {
"file": "libr/bin/format/mach0/dyldcache.c",
"function": "r_buf_read_string"
},
"source": "https://github.com/radare/radare2/commit/b143e1b1b5622ef2f41a90f4c0f7ed4c477caf40",
"signature_version": "v1"
}
]
Git / github.com/radareorg/radare2
Affected ranges
- Type
- GIT
- Repo
- https://github.com/radareorg/radare2
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedFixed
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
Other
radare2-windows-nightly
termux
Database specific
vanir_signatures
[
{
"signature_type": "Line",
"deprecated": false,
"digest": {
"line_hashes": [
"287563844518738372540492355256887605510",
"154030790810353506561247573542257707616",
"299048507215615140573861349704480736692",
"133484721511297008548342860166532970043",
"211085004133498429022153721181795411540",
"163106375559988463997621985507090702017",
"125106167249319808806643936228523924659",
"185860799196688166662981121099172141380",
"171202455950132557202221277368782958716",
"250822622038939554156903351005755318314"
],
"threshold": 0.9
},
"id": "CVE-2018-20456-12083b99",
"target": {
"file": "libr/asm/p/asm_x86_nz.c"
},
"source": "https://github.com/radareorg/radare2/commit/9b46d38dd3c4de6048a488b655c7319f845af185",
"signature_version": "v1"
},
{
"signature_type": "Function",
"deprecated": false,
"digest": {
"function_hash": "124244210738418854769393893325943212901",
"length": 4509.0
},
"id": "CVE-2018-20456-4ccec22c",
"target": {
"file": "libr/asm/p/asm_x86_nz.c",
"function": "parseOperand"
},
"source": "https://github.com/radareorg/radare2/commit/9b46d38dd3c4de6048a488b655c7319f845af185",
"signature_version": "v1"
}
]