VulnerabilityModified
CVE-2017-12940
libunrar.a in UnRAR before 5.5.7 has an out-of-bounds read in the EncodeFileName::Decode call within the Archive::ReadHeader15 function.
CRITICAL 9.8EPSS 2.26%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.26%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
libunrar.a in UnRAR before 5.5.7 has an out-of-bounds read in the EncodeFileName::Decode call within the Archive::ReadHeader15 function.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.26% probability · 82th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-125
- Affected
- rarlab/unrar
- Source
- cve@mitre.org
References
- http://seclists.org/oss-sec/2017/q3/290Exploit, Mailing List, Third Party Advisory
- https://kc.mcafee.com/corporate/index?page=content&id=SB10241
- https://security.gentoo.org/glsa/201709-24
- http://seclists.org/oss-sec/2017/q3/290Exploit, Mailing List, Third Party Advisory
- https://kc.mcafee.com/corporate/index?page=content&id=SB10241
- https://security.gentoo.org/glsa/201709-24
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.