Home/CVE/In the GNU C Library (aka glibc or libc6) through 2.29, check_dst_limits_calc_pos_1 in posix/regexec.c has Uncontrolled
CVE

CVE-2018-20796

In the GNU C Library (aka glibc or libc6) through 2.29, check_dst_limits_calc_pos_1 in posix/regexec.c has Uncontrolled

In the GNU C Library (aka glibc or libc6) through 2.29, check_dst_limits_calc_pos_1 in posix/regexec.c has Uncontrolled Recursion, as demonstrated by '(\227|)(\\1\\1|t1|\\\2537)+' in grep.

HIGH · CVSS 7.5 EPSS 0.01305
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-674Uncontrolled Recursion
▤

Affected Products & Versions

4
gnu glibc<= 2.29
netapp cloud backupall versions
netapp ontap select deploy administration utilityall versions
netapp steelstore cloud integrated storageall versions
⚠

Public Exploits & PoCs

2
pocdebbugs.gnu.org · bugreport.cgi?bug=34141debbugs.gnu.org
poclists.gnu.org · msg00108.htmllists.gnu.org
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD26 Feb 2019 · 02:29 AM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

1
msrcCVE-2018-20796
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.securityfocus.com/bid/107160Third Party AdvisoryVDB Entry
https://security.netapp.com/advisory/ntap-20190315-0002/PatchThird Party Advisory
https://support.f5.com/csp/article/K26346590?utm_source=f5support&amp
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