Vulnerability Description
In the GNU C Library (aka glibc or libc6) before 2.28, parse_reg_exp in posix/regcomp.c misparses alternatives, which allows attackers to cause a denial of service (assertion failure and application exit) or trigger an incorrect result by attempting a regular-expression match.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gnu | Glibc | < 2.28 |
| Netapp | Cloud Backup | All versions |
| Netapp | Ontap Select Deploy Administration Utility | - |
| Netapp | Steelstore Cloud Integrated Storage | - |
Related Weaknesses (CWE)
References
- http://git.savannah.gnu.org/cgit/gnulib.git/commit/?id=5513b40999149090987a0341cMailing ListPatchVendor Advisory
- https://debbugs.gnu.org/cgi/bugreport.cgi?bug=22793Mailing ListVendor Advisory
- https://debbugs.gnu.org/cgi/bugreport.cgi?bug=32806ExploitMailing ListVendor Advisory
- https://debbugs.gnu.org/cgi/bugreport.cgi?bug=34238ExploitMailing ListVendor Advisory
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e3
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8
- https://security.netapp.com/advisory/ntap-20190315-0002/PatchThird Party Advisory
- https://sourceware.org/bugzilla/show_bug.cgi?id=11053ExploitIssue TrackingThird Party Advisory
- https://sourceware.org/bugzilla/show_bug.cgi?id=18986ExploitIssue TrackingThird Party Advisory
- https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Bh=eb04c21373e2a2885f3d52ff19
- https://support.f5.com/csp/article/K64119434
- https://support.f5.com/csp/article/K64119434?utm_source=f5support&%3Butm_medi
- http://git.savannah.gnu.org/cgit/gnulib.git/commit/?id=5513b40999149090987a0341cMailing ListPatchVendor Advisory
- https://debbugs.gnu.org/cgi/bugreport.cgi?bug=22793Mailing ListVendor Advisory
- https://debbugs.gnu.org/cgi/bugreport.cgi?bug=32806ExploitMailing ListVendor Advisory
FAQ
What is CVE-2009-5155?
CVE-2009-5155 is a vulnerability with a CVSS score of 7.5 (HIGH). In the GNU C Library (aka glibc or libc6) before 2.28, parse_reg_exp in posix/regcomp.c misparses alternatives, which allows attackers to cause a denial of service (assertion failure and application e...
How severe is CVE-2009-5155?
CVE-2009-5155 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2009-5155?
Check the references section above for vendor advisories and patch information. Affected products include: Gnu Glibc, Netapp Cloud Backup, Netapp Ontap Select Deploy Administration Utility, Netapp Steelstore Cloud Integrated Storage.