The r_strbuf_fini() function in radare2 2.5.0 allows remote attackers to cause a denial of service (invalid free and application crash) via a crafted ELF file because of an uninitialized variable in the CPSE handler in libr/anal/p/anal_avr.c.
CVE-2018-11383
MEDIUMNVD 5.55.5—
EchelonGraph scoreMEDIUM confidence
Score 5.5 from GitHub Security Advisory published 2022-05-13. NVD baseline CVSS 5.5; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
5.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 1%CVSS: 5.5Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 5.5
- EG Score
- 5.5(medium)
- EPSS
- 63.4%
- KEV
- Not listed
Published
May 22, 2018
Last Modified
November 21, 2024
References (4)
- cve@mitrehttps://github.com/radare/radare2/commit/9d348bcc2c4bbd3805e7eec97b594be9febbdf9a
- cve@mitrehttps://github.com/radare/radare2/issues/9943
- af854a3a-2127-422b-91ae-364da2661108https://github.com/radare/radare2/commit/9d348bcc2c4bbd3805e7eec97b594be9febbdf9a
- af854a3a-2127-422b-91ae-364da2661108https://github.com/radare/radare2/issues/9943
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Frequently asked(5)
What is CVE-2018-11383?
CVE-2018-11383 is a medium vulnerability published on May 22, 2018. The rstrbuffini() function in radare2 2.5.0 allows remote attackers to cause a denial of service (invalid free and application crash) via a crafted ELF file because of an uninitialized variable in the CPSE handler in libr/anal/p/anal_avr.c.
When was CVE-2018-11383 disclosed?
CVE-2018-11383 was first published in the National Vulnerability Database on May 22, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2018-11383 actively exploited?
CVE-2018-11383 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 63.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2018-11383?
CVE-2018-11383 has a CVSS v3 base score of 5.5 (NVD).
How do I remediate CVE-2018-11383?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-11383, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2018-11383
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