Medium severity · published Oct 20, 2017
CVE-2017-15671
The glob function in glob.c in the GNU C Library (aka glibc or libc6) before 2.27, when invoked with GLOB_TILDE, could skip freeing allocated memory when processing the ~ operator…
5.9
CVSS
1.4%
EPSS
No
On KEV
Description
The glob function in glob.c in the GNU C Library (aka glibc or libc6) before 2.27, when invoked with GLOB_TILDE, could skip freeing allocated memory when processing the ~ operator with a long user name, potentially leading to a denial of service (memory leak).
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.4% · higher than 73% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GL
Glibc · Gnu
through 2.26 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-15671
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-15671
www.securityfocus.com
http://www.securityfocus.com/bid/101517
Issue Tracking
https://sourceware.org/bugzilla/show_bug.cgi?id=22325
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