Vulnerability Details : CVE-2017-7668
The HTTP strict parsing changes added in Apache httpd 2.2.32 and 2.4.24 introduced a bug in token list parsing, which allows ap_find_token() to search past the end of its input string. By maliciously crafting a sequence of request headers, an attacker may be able to cause a segmentation fault, or to force ap_find_token() to return an incorrect value.
Vulnerability category: Memory Corruption
Exploit prediction scoring system (EPSS) score for CVE-2017-7668
Probability of exploitation activity in the next 30 days: 96.88%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 100 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2017-7668
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
[email protected] |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
[email protected] |
CWE ids for CVE-2017-7668
-
The product reads data past the end, or before the beginning, of the intended buffer.Assigned by: [email protected] (Primary)
-
The product reads from a buffer using buffer access mechanisms such as indexes or pointers that reference memory locations after the targeted buffer.Assigned by: [email protected] (Secondary)
References for CVE-2017-7668
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https://lists.apache.org/thread.html/r75cbe9ea3e2114e4271bbeca7aff96117b50c1b6eb7c4772b0337c1f@%3Ccvs.httpd.apache.org%3E
Mailing List;Vendor Advisory
-
https://lists.apache.org/thread.html/r9ea3538f229874c80a10af473856a81fbf5f694cd7f471cc679ba70b@%3Ccvs.httpd.apache.org%3E
Mailing List;Vendor Advisory
-
https://lists.apache.org/thread.html/f7f95ac1cd9895db2714fa3ebaa0b94d0c6df360f742a40951384a53@%3Ccvs.httpd.apache.org%3E
Mailing List;Vendor Advisory
-
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03821en_us
Third Party Advisory
-
https://www.tenable.com/security/tns-2019-09
Third Party Advisory
-
https://access.redhat.com/errata/RHSA-2017:2479
Third Party Advisory
-
http://www.securitytracker.com/id/1038711
Third Party Advisory;VDB Entry
-
https://lists.apache.org/thread.html/rdca61ae990660bacb682295f2a09d34612b7bb5f457577fe17f4d064@%3Ccvs.httpd.apache.org%3E
Mailing List;Vendor Advisory
-
https://lists.apache.org/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326cacbbfdfe4d455234@%3Ccvs.httpd.apache.org%3E
Mailing List;Vendor Advisory
-
https://lists.apache.org/thread.html/rd18c3c43602e66f9cdcf09f1de233804975b9572b0456cc582390b6f@%3Ccvs.httpd.apache.org%3E
Mailing List;Vendor Advisory
-
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03908en_us
Third Party Advisory
-
https://lists.apache.org/thread.html/rfcf929bd33a6833e3f0c35eebdad70d5060665f9c4e17ea467c66770@%3Ccvs.httpd.apache.org%3E
Mailing List;Vendor Advisory
-
https://lists.apache.org/thread.html/rc998b18880df98bafaade071346690c2bc1444adaa1a1ea464b93f0a@%3Ccvs.httpd.apache.org%3E
Mailing List;Vendor Advisory
-
https://access.redhat.com/errata/RHSA-2017:3194
Third Party Advisory
-
https://access.redhat.com/errata/RHSA-2017:2483
Third Party Advisory
-
https://lists.apache.org/thread.html/r15f9aa4427581a1aecb4063f1b4b983511ae1c9935e2a0a6876dad3c@%3Ccvs.httpd.apache.org%3E
Mailing List;Vendor Advisory
-
https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920@%3Ccvs.httpd.apache.org%3E
Mailing List;Vendor Advisory
-
https://lists.apache.org/thread.html/r476d175be0aaf4a17680ef98c5153b4d336eaef76fb2224cc94c463a@%3Ccvs.httpd.apache.org%3E
Mailing List;Vendor Advisory
-
https://lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e100450209231830@%3Ccvs.httpd.apache.org%3E
Mailing List;Vendor Advisory
-
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
Patch;Third Party Advisory
-
https://support.apple.com/HT208221
Third Party Advisory
-
https://lists.apache.org/thread.html/55a068b6a5eec0b3198ae7d96a7cb412352d0ffa7716612c5af3745b@%3Cdev.httpd.apache.org%3E
Patch;Vendor Advisory
-
https://lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd65286ba@%3Ccvs.httpd.apache.org%3E
Mailing List;Vendor Advisory
-
https://lists.apache.org/thread.html/r6521a7f62276340eabdb3339b2aa9a38c5f59d978497a1f794af53be@%3Ccvs.httpd.apache.org%3E
Mailing List;Vendor Advisory
-
https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9@%3Ccvs.httpd.apache.org%3E
Mailing List;Vendor Advisory
-
https://lists.apache.org/thread.html/rcc44594d4d6579b90deccd4536b5d31f099ef563df39b094be286b9e@%3Ccvs.httpd.apache.org%3E
Mailing List;Vendor Advisory
-
https://lists.apache.org/thread.html/r57608dc51b79102f3952ae06f54d5277b649c86d6533dcd6a7d201f7@%3Ccvs.httpd.apache.org%3E
Mailing List;Vendor Advisory
-
https://security.netapp.com/advisory/ntap-20180601-0002/
Third Party Advisory
-
https://lists.apache.org/thread.html/rad01d817195e6cc871cb1d73b207ca326379a20a6e7f30febaf56d24@%3Ccvs.httpd.apache.org%3E
Mailing List;Vendor Advisory
-
https://security.gentoo.org/glsa/201710-32
Third Party Advisory
-
https://access.redhat.com/errata/RHSA-2017:3193
Third Party Advisory
-
https://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f@%3Ccvs.httpd.apache.org%3E
Mailing List;Vendor Advisory
-
https://lists.apache.org/thread.html/rfbaf647d52c1cb843e726a0933f156366a806cead84fbd430951591b@%3Ccvs.httpd.apache.org%3E
Mailing List;Vendor Advisory
-
http://www.debian.org/security/2017/dsa-3896
Third Party Advisory
-
http://www.securityfocus.com/bid/99137
Third Party Advisory;VDB Entry
Products affected by CVE-2017-7668
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_eus:7.3:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_eus:7.4:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_eus:7.5:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_eus:7.6:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_eus:7.7:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_eus:7.2:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_aus:7.7:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_aus:7.2:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_tus:7.3:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_tus:7.7:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_tus:7.2:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_tus:7.4:*:*:*:*:*:*:*
- cpe:2.3:a:apache:http_server:2.4.25:*:*:*:*:*:*:*
- cpe:2.3:a:apache:http_server:2.2.32:*:*:*:*:*:*:*
- cpe:2.3:a:apache:http_server:2.4.24:*:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.11.6:-:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.11.6:security_update_2016-001:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.11.6:security_update_2016-002:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.11.6:security_update_2016-003:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.11.6:security_update_2017-001:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.11.6:security_update_2017-002:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.11.6:security_update_2017-003:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.12.6:-:*:*:*:*:*:*
- cpe:2.3:a:oracle:secure_global_desktop:5.3:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:oncommand_unified_manager:-:*:*:*:*:7-mode:*:*
- cpe:2.3:a:netapp:storagegrid:-:*:*:*:*:*:*:*