Buffer overflow in Apache Libapreq2
CVE-2022-22728
A flaw in Apache libapreq2 versions 2.16 and earlier could cause a buffer overflow while processing multipart form uploads. A remote attacker could send a request causing a process crash which could lead to a denial of service attack.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.058 (92.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 92.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.058 · newest: 0.058 · change: +0.000
Affected products
- Apache Libapreq2
- Apache Software Foundation Libapreq2 — versions unspecified
- Debian Linux — versions 10.0
- Fedoraproject Fedora — versions 35, 36, 37
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lists.apache.org/thread/2fsjoor96d47vtkpf76x4yo06nccvy1y (Mailing List, Third Party Advisory)
- www.openwall.com/lists/oss-security/2022/08/25/4 (mailing-list, Mailing List, Third Party Advisory)
- www.openwall.com/lists/oss-security/2022/08/25/3 (mailing-list, Mailing List, Third Party Advisory)
- www.openwall.com/lists/oss-security/2022/08/26/4 (mailing-list, Mailing List, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- www.openwall.com/lists/oss-security/2022/12/29/1 (mailing-list, Mailing List, Third Party Advisory)
- www.openwall.com/lists/oss-security/2022/12/30/4 (mailing-list, Mailing List, Third Party Advisory)
- www.openwall.com/lists/oss-security/2022/12/31/1 (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-22728?
- CVE-2022-22728 is a high-severity vulnerability in Apache Libapreq2, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2022-08-25.
- How severe is CVE-2022-22728?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2022-22728 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.