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Vulnerability details: VCID-ptm9-5wpw-aaaf
Vulnerability ID VCID-ptm9-5wpw-aaaf
Aliases CVE-2017-8786
Summary Improper Restriction of Operations within the Bounds of a Memory Buffer pcre2test.c in PCRE2 allows remote attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact via a crafted regular expression.
Status Published
Exploitability 0.5
Weighted Severity 8.8
Risk 4.4
Affected and Fixed Packages Package Details
Weaknesses (4)
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-122 Heap-based Buffer Overflow
System Score Found at
generic_textual Negligible http://people.canonical.com/~ubuntu-security/cve/2017/CVE-2017-8786.html
cvssv3 3.3 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-8786.json
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generic_textual Negligible https://blogs.gentoo.org/ago/2017/04/29/libpcre-heap-based-buffer-overflow-write-in-pcre2test-c/
rhbs low https://bugzilla.redhat.com/show_bug.cgi?id=1500717
generic_textual Negligible https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8786
cvssv3.1 3.3 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 7.5 https://nvd.nist.gov/vuln/detail/CVE-2017-8786
cvssv3 9.8 https://nvd.nist.gov/vuln/detail/CVE-2017-8786
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2017/CVE-2017-8786.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-8786.json
https://api.first.org/data/v1/epss?cve=CVE-2017-8786
https://blogs.gentoo.org/ago/2017/04/29/libpcre-heap-based-buffer-overflow-write-in-pcre2test-c/
https://bugs.exim.org/show_bug.cgi?id=2079
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8786
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://security.gentoo.org/glsa/201710-09
https://vcs.pcre.org/pcre2?view=revision&revision=696
https://vcs.pcre.org/pcre2?view=revision&revision=697
1500717 https://bugzilla.redhat.com/show_bug.cgi?id=1500717
861873 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=861873
cpe:2.3:a:pcre:pcre2:10.23:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:pcre:pcre2:10.23:*:*:*:*:*:*:*
CVE-2017-8786 https://nvd.nist.gov/vuln/detail/CVE-2017-8786
No exploits are available.
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-8786.json
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: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L 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-2017-8786
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-2017-8786
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 0.84167
EPSS Score 0.01095
Published At Dec. 17, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.