Out-of-Bounds Affecting perl package, versions <5.22.1-9ubuntu0.2
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1604-PERL-327745
- published19 Sept 2017
- disclosed19 Sept 2017
Introduced: 19 Sep 2017
CVE-2017-12883 (opens in a new tab)How to fix?
Upgrade Ubuntu:16.04 perl to version 5.22.1-9ubuntu0.2 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream perl package and not the perl package as distributed by Ubuntu.
See How to fix? for Ubuntu:16.04 relevant fixed versions and status.
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.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-12883
- http://mirror.cucumberlinux.com/cucumber/cucumber-1.0/source/lang-base/perl/patches/CVE-2017-12883.patch
- https://perl5.git.perl.org/perl.git/commitdiff/2be4edede4ae226e2eebd4eff28cedd2041f300f#patch1
- https://perl5.git.perl.org/perl.git/log/refs/tags/v5.24.3-RC1
- https://perl5.git.perl.org/perl.git/log/refs/tags/v5.26.1-RC1
- https://rt.perl.org/Public/Bug/Display.html?id=131598
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12883
- http://www.debian.org/security/2017/dsa-3982
- https://security-tracker.debian.org/tracker/CVE-2017-12883
- https://www.oracle.com/security-alerts/cpujul2020.html
- https://security.netapp.com/advisory/ntap-20180426-0001/
- https://bugzilla.redhat.com/show_bug.cgi?id=1492093
- http://www.securityfocus.com/bid/100852