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Vulnerability details: VCID-uw7p-m4cr-aaak
Vulnerability ID VCID-uw7p-m4cr-aaak
Aliases CVE-2015-8389
Summary PCRE before 8.38 mishandles the /(?:|a|){100}x/ pattern and related patterns, which allows remote attackers to cause a denial of service (infinite recursion) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror.
Status Published
Exploitability 0.5
Weighted Severity 8.8
Risk 4.4
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-185 Incorrect Regular Expression
CWE-674 Uncontrolled Recursion
System Score Found at
generic_textual Low http://people.canonical.com/~ubuntu-security/cve/2015/CVE-2015-8389.html
epss 0.02718 https://api.first.org/data/v1/epss?cve=CVE-2015-8389
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epss 0.02815 https://api.first.org/data/v1/epss?cve=CVE-2015-8389
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epss 0.03071 https://api.first.org/data/v1/epss?cve=CVE-2015-8389
epss 0.03927 https://api.first.org/data/v1/epss?cve=CVE-2015-8389
rhbs medium https://bugzilla.redhat.com/show_bug.cgi?id=1287659
generic_textual Low https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8389
cvssv2 7.5 https://nvd.nist.gov/vuln/detail/CVE-2015-8389
cvssv3 9.8 https://nvd.nist.gov/vuln/detail/CVE-2015-8389
cvssv3.1 9.8 https://nvd.nist.gov/vuln/detail/CVE-2015-8389
generic_textual Medium https://ubuntu.com/security/notices/USN-2943-1
generic_textual Low http://vcs.pcre.org/pcre/code/trunk/ChangeLog?view=markup
generic_textual Low http://www.openwall.com/lists/oss-security/2015/11/29/1
Reference id Reference type URL
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/174931.html
http://people.canonical.com/~ubuntu-security/cve/2015/CVE-2015-8389.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2015-8389.json
https://api.first.org/data/v1/epss?cve=CVE-2015-8389
https://bto.bluecoat.com/security-advisory/sa128
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8389
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731
https://security.gentoo.org/glsa/201607-02
https://security.netapp.com/advisory/ntap-20230216-0002/
https://ubuntu.com/security/notices/USN-2943-1
http://vcs.pcre.org/pcre/code/trunk/ChangeLog?view=markup
http://www.openwall.com/lists/oss-security/2015/11/29/1
http://www.securityfocus.com/bid/82990
1287659 https://bugzilla.redhat.com/show_bug.cgi?id=1287659
cpe:2.3:a:pcre:perl_compatible_regular_expression_library:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:pcre:perl_compatible_regular_expression_library:*:*:*:*:*:*:*:*
cpe:2.3:a:php:php:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:*
CVE-2015-8389 https://nvd.nist.gov/vuln/detail/CVE-2015-8389
USN-2943-1 https://usn.ubuntu.com/2943-1/
No exploits are available.
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2015-8389
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:3.1/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-2015-8389
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:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2015-8389
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 0.90207
EPSS Score 0.02718
Published At Dec. 17, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.