by Kastro
Paper/Archive/CVE-2021-44790

CVE-2021-44790

Apache Software Foundation Apache HTTP Server — Possible buffer overflow when parsing multipart content in mod_lua of Apache HTTP Server 2.4.51 and earlier

EPSS 97%CVSS 9.8
critical.is priorityof 100
49
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 99.9.999 × 2020.0No public exploit+100.0SSVC exploitation: unknown+100.0
Description · from the CVE record

A carefully crafted request body can cause a buffer overflow in the mod_lua multipart parser (r:parsebody() called from Lua scripts). The Apache httpd team is not aware of an exploit for the vulnerabilty though it might be possible to craft one. This issue affects Apache HTTP Server 2.4.51 and earlier.

Affected

ProductAffectedFixed inSource
Apache HTTP ServerApache HTTP Server 2.4 – 2.4.51–CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

refhttpd.apache.org/security/vulnerabilities_24.htmlrefopenwall.com/lists/oss-security/2021/12/20/4advisorylists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BFSWOH4X77CV7AH7C4RMHUBDWKQDL4YHadvisorydebian.org/security/2022/dsa-5035reforacle.com/security-alerts/cpujan2022.htmlrefsecurity.netapp.com/advisory/ntap-20211224-0001reftenable.com/security/tns-2022-01reftenable.com/security/tns-2022-03advisorylists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RGWILBORT67SHMSLYSQZG2NMXGCMPUZOadvisorylists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z7H26WJ6TPKNWV3QKY4BHKUKQVUTZJTDadvisorylists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X73C35MMMZGBVPQQCH7LQZUMYZNQA5FOreforacle.com/security-alerts/cpuapr2022.htmlrefsupport.apple.com/kb/HT213257refsupport.apple.com/kb/HT213256refsupport.apple.com/kb/HT213255refseclists.org/fulldisclosure/2022/May/33refseclists.org/fulldisclosure/2022/May/35refseclists.org/fulldisclosure/2022/May/38advisorysecurity.gentoo.org/glsa/202208-20refpacketstormsecurity.com/files/171631/Apache-2.4.x-Buffer-Overflow.html