Critical severity · published Aug 9, 2017
CVE-2017-12762
In /drivers/isdn/i4l/isdn_net.c: A user-controlled buffer is copied into a local buffer of constant size using strcpy without a length check which can cause a buffer overflow
9.8
CVSS
5.2%
EPSS
No
On KEV
Description
In /drivers/isdn/i4l/isdn_net.c: A user-controlled buffer is copied into a local buffer of constant size using strcpy without a length check which can cause a buffer overflow. This affects the Linux kernel 4.9-stable tree, 4.12-stable tree, 3.18-stable tree, and 4.4-stable tree.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)5.2% · higher than 92% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
3.18 before 3.18.64; 3.19 through 4.4.80; 4.5 through 4.9.41; 4.10 through 4.12.5 · source: NVD
UL
Ubuntu Linux · Canonical
12.04; 14.04 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-12762
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-12762
Mailing List
http://www.openwall.com/lists/oss-security/2020/02/11/1
Mailing List
http://www.openwall.com/lists/oss-security/2020/02/11/2
Mailing List
http://www.openwall.com/lists/oss-security/2020/02/14/4
Third Party Advisory
http://www.securityfocus.com/bid/100251
Patch
https://patchwork.kernel.org/patch/9880041/
Third Party Advisory
https://usn.ubuntu.com/3620-1/
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