CVE-2017-12883
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (5.91%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.0
- 9.1 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
- EPSS
- 5.91% probability · 93th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- perl/perl
- Source
- cve@mitre.org
References
- http://mirror.cucumberlinux.com/cucumber/cucumber-1.0/source/lang-base/perl/patches/CVE-2017-12883.patchPatch, Third Party Advisory
- http://www.debian.org/security/2017/dsa-3982
- http://www.securityfocus.com/bid/100852Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1492093Issue Tracking, Patch, Third Party Advisory, VDB Entry
- https://perl5.git.perl.org/perl.git/commitdiff/2be4edede4ae226e2eebd4eff28cedd2041f300f#patch1Patch, Vendor Advisory
- https://perl5.git.perl.org/perl.git/log/refs/tags/v5.24.3-RC1Release Notes, Vendor Advisory
- https://perl5.git.perl.org/perl.git/log/refs/tags/v5.26.1-RC1Release Notes, Vendor Advisory
- https://rt.perl.org/Public/Bug/Display.html?id=131598
- https://security.netapp.com/advisory/ntap-20180426-0001/
- https://www.oracle.com/security-alerts/cpujul2020.html
- http://mirror.cucumberlinux.com/cucumber/cucumber-1.0/source/lang-base/perl/patches/CVE-2017-12883.patchPatch, Third Party Advisory
- http://www.debian.org/security/2017/dsa-3982
- http://www.securityfocus.com/bid/100852Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1492093Issue Tracking, Patch, Third Party Advisory, VDB Entry
- https://perl5.git.perl.org/perl.git/commitdiff/2be4edede4ae226e2eebd4eff28cedd2041f300f#patch1Patch, Vendor Advisory
- https://perl5.git.perl.org/perl.git/log/refs/tags/v5.24.3-RC1Release Notes, Vendor Advisory
- https://perl5.git.perl.org/perl.git/log/refs/tags/v5.26.1-RC1Release Notes, Vendor Advisory
- https://rt.perl.org/Public/Bug/Display.html?id=131598
- https://security.netapp.com/advisory/ntap-20180426-0001/
- https://www.oracle.com/security-alerts/cpujul2020.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.