High severity · published May 25, 2016
CVE-2015-8853
The (1) S_reghop3, (2) S_reghop4, and (3) S_reghopmaybe3 functions in regexec.c in Perl before 5.24.0 allow context-dependent attackers to cause a denial of service (infinite…
7.5
CVSS
2.6%
EPSS
No
On KEV
Description
The (1) S_reghop3, (2) S_reghop4, and (3) S_reghopmaybe3 functions in regexec.c in Perl before 5.24.0 allow context-dependent attackers to cause a denial of service (infinite loop) via crafted utf-8 data, as demonstrated by "a\x80."
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.6% · higher than 85% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FE
Fedora · Fedoraproject
22 · source: NVD
PE
Perl · Perl
through 5.23.9 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2015-8853
CVE.org
https://www.cve.org/CVERecord?id=CVE-2015-8853
lists.fedoraproject.org
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183592.html
Vendor Advisory
http://perl5.git.perl.org/perl.git/commitdiff/22b433eff9a1ffa2454e18405a56650f07b385b5
www.openwall.com
http://www.openwall.com/lists/oss-security/2016/04/20/5
www.openwall.com
http://www.openwall.com/lists/oss-security/2016/04/20/7
www.oracle.com
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
www.oracle.com
http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html
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