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Vulnerability details: VCID-1hu4-5cj9-aaap
Vulnerability ID VCID-1hu4-5cj9-aaap
Aliases CVE-2017-12940
Summary libunrar.a in UnRAR before 5.5.7 has an out-of-bounds read in the EncodeFileName::Decode call within the Archive::ReadHeader15 function.
Status Published
Exploitability 0.5
Weighted Severity 8.8
Risk 4.4
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-125 Out-of-bounds Read
System Score Found at
generic_textual Low http://people.canonical.com/~ubuntu-security/cve/2017/CVE-2017-12940.html
epss 0.00448 https://api.first.org/data/v1/epss?cve=CVE-2017-12940
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epss 0.00448 https://api.first.org/data/v1/epss?cve=CVE-2017-12940
epss 0.00448 https://api.first.org/data/v1/epss?cve=CVE-2017-12940
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epss 0.00448 https://api.first.org/data/v1/epss?cve=CVE-2017-12940
epss 0.00448 https://api.first.org/data/v1/epss?cve=CVE-2017-12940
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epss 0.00473 https://api.first.org/data/v1/epss?cve=CVE-2017-12940
epss 0.00473 https://api.first.org/data/v1/epss?cve=CVE-2017-12940
epss 0.00473 https://api.first.org/data/v1/epss?cve=CVE-2017-12940
epss 0.00473 https://api.first.org/data/v1/epss?cve=CVE-2017-12940
epss 0.00473 https://api.first.org/data/v1/epss?cve=CVE-2017-12940
epss 0.00473 https://api.first.org/data/v1/epss?cve=CVE-2017-12940
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epss 0.00473 https://api.first.org/data/v1/epss?cve=CVE-2017-12940
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epss 0.00473 https://api.first.org/data/v1/epss?cve=CVE-2017-12940
epss 0.00473 https://api.first.org/data/v1/epss?cve=CVE-2017-12940
epss 0.00677 https://api.first.org/data/v1/epss?cve=CVE-2017-12940
epss 0.00677 https://api.first.org/data/v1/epss?cve=CVE-2017-12940
epss 0.00677 https://api.first.org/data/v1/epss?cve=CVE-2017-12940
epss 0.00677 https://api.first.org/data/v1/epss?cve=CVE-2017-12940
epss 0.00934 https://api.first.org/data/v1/epss?cve=CVE-2017-12940
generic_textual Low https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12940
generic_textual Medium http://seclists.org/oss-sec/2017/q3/290
cvssv2 5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3 5.3 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 7.5 https://nvd.nist.gov/vuln/detail/CVE-2017-12940
cvssv3 9.8 https://nvd.nist.gov/vuln/detail/CVE-2017-12940
generic_textual Medium http://www.openwall.com/lists/oss-security/2017/08/18/6
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2017/CVE-2017-12940.html
https://api.first.org/data/v1/epss?cve=CVE-2017-12940
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12940
http://seclists.org/oss-sec/2017/q3/290
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://kc.mcafee.com/corporate/index?page=content&id=SB10241
https://security.gentoo.org/glsa/201709-24
http://www.openwall.com/lists/oss-security/2017/08/18/6
cpe:2.3:a:rarlab:unrar:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:rarlab:unrar:*:*:*:*:*:*:*:*
CVE-2017-12940 https://nvd.nist.gov/vuln/detail/CVE-2017-12940
No exploits are available.
Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2017-12940
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2017-12940
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.60722
EPSS Score 0.00448
Published At March 28, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
There are no relevant records.