{"cve":"CVE-2011-3152","nvd":{"published":"2014-04-27T20:55:23.463","modified":"2026-06-16T23:32:45.743","status":"Modified","description":"DistUpgrade/DistUpgradeFetcherCore.py in Update Manager before 1:0.87.31.1, 1:0.134.x before 1:0.134.11.1, 1:0.142.x before 1:0.142.23.1, 1:0.150.x before 1:0.150.5.1, and 1:0.152.x before 1:0.152.25.5 on Ubuntu 8.04 through 11.10 does not verify the GPG signature before extracting an upgrade tarball, which allows man-in-the-middle attackers to (1) create or overwrite arbitrary files via a directory traversal attack using a crafted tar file, or (2) bypass authentication via a crafted meta-release file.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-310"],"references":["http://secunia.com/advisories/47024","http://www.osvdb.org/77642","http://www.securityfocus.com/bid/50833","http://www.ubuntu.com/usn/USN-1284-1","https://bugs.launchpad.net/ubuntu/%2Bsource/update-manager/%2Bbug/881548"],"products":["canonical:ubuntu_linux","canonical:update-manager"],"source":"nvd","synced_at":"2026-10-19T20:32:06.812358378+00:00"},"epss":{"cve":"CVE-2011-3152","score":0.02335,"percentile":0.83583,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}