XSS in Apache Brpc
CVE-2023-45757
Security vulnerability in Apache bRPC <=1.6.0 on all platforms allows attackers to inject XSS code to the builtin rpcz page. An attacker that can send http request to bRPC server with rpcz enabled can inject arbitrary XSS code to the builtin rpcz page. Solution (choose one of three): 1. upgrade to bRPC > 1.6.0, download link: https://dist.apache.org/repos/dist/release/brpc/1.6.1/ 2. If you are using an old version of bRPC and hard to upgrade, you can apply this patch: https://github.com/apache/brpc/pull/2411 3. disable rpcz feature
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.010 (59.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 59.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
- Apache Brpc
- Apache Software Foundation Brpc — versions 0.9.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lists.apache.org/thread/6syxv32fqgl30brfpttrk4rfsb983hl4 (vendor-advisory, Mailing List, Vendor Advisory)
- www.openwall.com/lists/oss-security/2023/10/16/8 (Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-45757?
- CVE-2023-45757 is a medium-severity vulnerability in Apache Brpc, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-10-16.
- How severe is CVE-2023-45757?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2023-45757 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.