9 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:P/I:P/A:C
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
0.151 Low
EPSS
Percentile
95.9%
Issue Overview:
2023-10-25: CVE-2015-8391 was added to this advisory.
The pcre_compile function in pcre_compile.c in PCRE before 8.38 mishandles certain [: nesting, which allows remote attackers to cause a denial of service (CPU consumption) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror. (CVE-2015-8391)
The compile_branch function in pcre_compile.c in PCRE 8.x before 8.39 and pcre2_compile.c in PCRE2 before 10.22 mishandles patterns containing an (*ACCEPT) substring in conjunction with nested parentheses, which allows remote attackers to execute arbitrary code or cause a denial of service (stack-based buffer overflow) via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror, aka ZDI-CAN-3542. (CVE-2016-3191)
Affected Packages:
pcre
Issue Correction:
Run yum update pcre to update your system.
New Packages:
i686:
pcre-static-8.21-7.8.amzn1.i686
pcre-debuginfo-8.21-7.8.amzn1.i686
pcre-tools-8.21-7.8.amzn1.i686
pcre-devel-8.21-7.8.amzn1.i686
pcre-8.21-7.8.amzn1.i686
src:
pcre-8.21-7.8.amzn1.src
x86_64:
pcre-8.21-7.8.amzn1.x86_64
pcre-tools-8.21-7.8.amzn1.x86_64
pcre-debuginfo-8.21-7.8.amzn1.x86_64
pcre-devel-8.21-7.8.amzn1.x86_64
pcre-static-8.21-7.8.amzn1.x86_64
Red Hat: CVE-2015-8391, CVE-2016-3191
Mitre: CVE-2015-8391, CVE-2016-3191
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Amazon Linux | 1 | i686 | pcre-static | < 8.21-7.8.amzn1 | pcre-static-8.21-7.8.amzn1.i686.rpm |
Amazon Linux | 1 | i686 | pcre-debuginfo | < 8.21-7.8.amzn1 | pcre-debuginfo-8.21-7.8.amzn1.i686.rpm |
Amazon Linux | 1 | i686 | pcre-tools | < 8.21-7.8.amzn1 | pcre-tools-8.21-7.8.amzn1.i686.rpm |
Amazon Linux | 1 | i686 | pcre-devel | < 8.21-7.8.amzn1 | pcre-devel-8.21-7.8.amzn1.i686.rpm |
Amazon Linux | 1 | i686 | pcre | < 8.21-7.8.amzn1 | pcre-8.21-7.8.amzn1.i686.rpm |
Amazon Linux | 1 | x86_64 | pcre | < 8.21-7.8.amzn1 | pcre-8.21-7.8.amzn1.x86_64.rpm |
Amazon Linux | 1 | x86_64 | pcre-tools | < 8.21-7.8.amzn1 | pcre-tools-8.21-7.8.amzn1.x86_64.rpm |
Amazon Linux | 1 | x86_64 | pcre-debuginfo | < 8.21-7.8.amzn1 | pcre-debuginfo-8.21-7.8.amzn1.x86_64.rpm |
Amazon Linux | 1 | x86_64 | pcre-devel | < 8.21-7.8.amzn1 | pcre-devel-8.21-7.8.amzn1.x86_64.rpm |
Amazon Linux | 1 | x86_64 | pcre-static | < 8.21-7.8.amzn1 | pcre-static-8.21-7.8.amzn1.x86_64.rpm |
9 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:P/I:P/A:C
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
0.151 Low
EPSS
Percentile
95.9%