SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2022-22721

If LimitXMLRequestBody is set to allow request bodies larger than 350MB (defaults to 1M) on 32 bit systems an integer overflow happens which later causes out of bounds writes.

CRITICAL 9.1EPSS 41.9%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 41.9%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.

Description

If LimitXMLRequestBody is set to allow request bodies larger than 350MB (defaults to 1M) on 32 bit systems an integer overflow happens which later causes out of bounds writes. This issue affects Apache HTTP Server 2.4.52 and earlier.

CVSS 3.1
9.1 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
EPSS
41.86% probability · 99th percentile
CISA KEV
Not listed
Weakness
CWE-190
Affected
apache/http server · fedoraproject/fedora · debian/debian linux · oracle/enterprise manager ops center · oracle/http server · oracle/zfs storage appliance kit · apple/mac os x · apple/macos
Source
security@apache.org

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.