{"vuid":"VU#862384","idnumber":"862384","name":"libarchive contains a heap-based buffer overflow due to improper input validation","keywords":["input","validation","overflow"],"overview":"An attacker may be able to coerce a user into executing arbitrary code in the context of the current user by attempting to unzip a crafted zip file provided by the attacker.","clean_desc":"CWE-20: Improper Input Validation - CVE-2016-1541 A crafted zip file can provide an incorrect compressed size, which may allow an attacker to place arbitrary code on the heap and execute it in the context of the current user. The user must be coerced into unzipping the crafted zip file. The researcher has confirmed that version 3.1.2 is impacted. Previous versions may also be affected.","impact":"An attacker may be able coerce a user into unzipping a file that executes arbitrary code in the context of the current user.","resolution":"Apply an update libarchive has released version 3.2.0  which addresses this problem. Affected users should update as soon as possible.","workarounds":"","sysaffected":"","thanks":"Thanks to Rock Stevens \nand \nAndrew Ruef for reporting this vulnerability.","author":"This document was written by Garret Wassermann.","public":["https://github.com/libarchive/libarchive/issues/656","http://www.libarchive.org/"],"cveids":["CVE-2016-1541"],"certadvisory":"","uscerttechnicalalert":null,"datecreated":"2016-02-05T17:58:41Z","publicdate":"2016-05-01T00:00:00Z","datefirstpublished":"2016-05-02T14:17:21Z","dateupdated":"2016-05-04T18:58:33Z","revision":40,"vrda_d1_directreport":"1","vrda_d1_population":"2","vrda_d1_impact":"2","cam_widelyknown":"0","cam_exploitation":"0","cam_internetinfrastructure":"0","cam_population":"0","cam_impact":"0","cam_easeofexploitation":"0","cam_attackeraccessrequired":"0","cam_scorecurrent":"0","cam_scorecurrentwidelyknown":"0","cam_scorecurrentwidelyknownexploited":"0","ipprotocol":"","cvss_accessvector":"N","cvss_accesscomplexity":"M","cvss_authentication":null,"cvss_confidentialityimpact":"P","cvss_integrityimpact":"P","cvss_availabilityimpact":"P","cvss_exploitablity":null,"cvss_remediationlevel":"U","cvss_reportconfidence":"C","cvss_collateraldamagepotential":"ND","cvss_targetdistribution":"M","cvss_securityrequirementscr":"ND","cvss_securityrequirementsir":"ND","cvss_securityrequirementsar":"ND","cvss_basescore":"6.8","cvss_basevector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","cvss_temporalscore":"6.1","cvss_environmentalscore":"4.60507672760625","cvss_environmentalvector":"CDP:ND/TD:M/CR:ND/IR:ND/AR:ND","metric":0.0,"vulnote":null}