CVE-2017-12883
Published: 19 September 2017
Buffer overflow in the S_grok_bslash_N function in regcomp.c in Perl 5 before 5.24.3-RC1 and 5.26.x before 5.26.1-RC1 allows remote attackers to disclose sensitive information or cause a denial of service (application crash) via a crafted regular expression with an invalid '\N{U+...}' escape.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
perl Launchpad, Ubuntu, Debian |
artful |
Not vulnerable
(5.26.0-8ubuntu1)
|
| trusty |
Released
(5.18.2-2ubuntu1.3)
|
|
| upstream |
Released
(5.26.0-8)
|
|
| xenial |
Released
(5.22.1-9ubuntu0.2)
|
|
| zesty |
Released
(5.24.1-2ubuntu1.1)
|
|
|
Patches: upstream: https://perl5.git.perl.org/perl.git/commitdiff/2be4edede4ae226e2eebd4eff28cedd2041f300f |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 9.1 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |