CVE-2017-11164
Published: 11 July 2017
In PCRE 8.41, the OP_KETRMAX feature in the match function in pcre_exec.c allows stack exhaustion (uncontrolled recursion) when processing a crafted regular expression.
Notes
Author | Note |
---|---|
sbeattie | reproducer in oss-security posting. to exploit this requires an application take regular expressions as untrusted input (not just the string to match against), which is generally not safe to do with pcre. |
Priority
Status
Package | Release | Status |
---|---|---|
pcre3 Launchpad, Ubuntu, Debian |
groovy |
Ignored
(end of life)
|
kinetic |
Ignored
(end of life, was needed)
|
|
hirsute |
Ignored
(end of life)
|
|
xenial |
Ignored
(vendor disputes CVE)
|
|
impish |
Ignored
(end of life)
|
|
artful |
Ignored
(end of life)
|
|
bionic |
Needed
|
|
cosmic |
Ignored
(end of life)
|
|
disco |
Ignored
(end of life)
|
|
eoan |
Ignored
(end of life)
|
|
focal |
Needed
|
|
jammy |
Needed
|
|
lunar |
Ignored
(end of life, was needed)
|
|
trusty |
Needed
|
|
upstream |
Needed
|
|
yakkety |
Ignored
(end of life)
|
|
zesty |
Ignored
(end of life)
|
|
mantic |
Needed
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.5 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |