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Critical severity · published Nov 16, 2017
CVE-2017-16844
Heap-based buffer overflow in the loadbuf function in formisc.c in formail in procmail 3.22 allows remote attackers to cause a denial of service (application crash) or possibly…
9.8
CVSS
12.2%
EPSS
No
On KEV
Description
Heap-based buffer overflow in the loadbuf function in formisc.c in formail in procmail 3.22 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted e-mail message because of a hardcoded realloc size, a different vulnerability than CVE-2014-3618.
CVSS vector
CVSS:3.0/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)12.2% · higher than 96% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PR
Procmail · Procmail
3.22 · source: NVD
Affected product
PR
Procmail
Procmail
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-16844
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-16844
Third Party Advisory
http://www.securitytracker.com/id/1039844
Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:3269
Issue Tracking
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=876511
lists.debian.org
https://lists.debian.org/debian-lts-announce/2017/11/msg00019.html
Third Party Advisory
https://www.debian.org/security/2017/dsa-4041
More from Procmail
–
CVE-2014-3618
Heap-based buffer overflow in formisc.c in formail in procmail 3.22 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted…
–
CVE-2001-0905
Race condition in signal handling of procmail 3.20 and earlier, when running setuid, allows local users to cause a denial of service or gain root privileges by sending a signal…
–
CVE-1999-0439
Buffer overflow in procmail before version 3.12 allows remote or local attackers to execute commands via expansions in the procmailrc configuration file
–
CVE-1999-0475
A race condition in how procmail handles .procmailrc files allows a local user to read arbitrary files available to the user who is running procmail