{"schemaVersion":3,"id":"CVE-2011-3152","aliases":[],"status":"published","duplicateOf":null,"title":null,"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.","dates":{"published":"2014-04-27T20:00:00.000Z","modified":"2024-08-06T23:22:27.618Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":6.4,"severity":"medium","version":"2.0","versionLabel":"v2.0","source":"NVD","vector":"AV:N/AC:L/Au:N/C:P/I:P/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":6.4,"severity":"medium","vector":"AV:N/AC:L/Au:N/C:P/I:P/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.02335,"percentile":0.83327,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0.04399999999999994,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.02291},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.02291,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.02291,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.02291,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.02291,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.02291,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.02291,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.02291,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.02291,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.02291,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.02291,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.02291,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.02291,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.02291,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.02291,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.02291,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.02291,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.02291,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.02291,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.02291,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.02291,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.02291,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.02291,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.02291,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.02291,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.02335,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.02335,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.02335,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.02335,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.02335,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.02335,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.02335,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.02335,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.02335,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.02335,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.02335,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.02335,"percentile":0.83327}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.02291,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.02291,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.02291,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.02291,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.02291,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.02291,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.02291,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.02291,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.02291,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.02291,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.02291,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.02291,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.02291,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.02291,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.02291,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.02291,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.02291,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.02291,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.02291,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.02335,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.02335,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.02335,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.02335,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.02335,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.02335,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.02335,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.02335,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.02335,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.02335,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.02335,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.02335,"percentile":0.83327}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-310","name":"Cryptographic Issues","description":"Weaknesses in this category are related to the design and implementation of data confidentiality and integrity. Frequently these deal with the use of encoding techniques, encryption libraries, and hashing algorithms. The weaknesses in this category could lead to a degradation of the quality data if they are not addressed.","type":"category","status":"Draft","abstraction":null,"likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/310.html"}],"affected":[{"vendor":"canonical","product":"ubuntu_linux","name":"ubuntu linux","label":"ubuntu_linux","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"8.04","noFixRecorded":false,"fixedIn":null},{"text":"10.04","noFixRecorded":false,"fixedIn":null},{"text":"10.10","noFixRecorded":false,"fixedIn":null},{"text":"11.04","noFixRecorded":false,"fixedIn":null},{"text":"11.10","noFixRecorded":false,"fixedIn":null}],"versionsText":"8.04 | 10.04 | 10.10 | 11.04 | 11.10","eol":{"isEol":true,"eolDate":"2013-05-09T00:00:00.000Z","matchMethod":"cpe","cycle":{"name":"8.04","label":"8.04 'Hardy Heron' (LTS)","eolFrom":"2013-05-09T00:00:00.000Z","isLts":true,"isMaintained":false,"latestVersion":"8.04.4"},"product":{"name":"ubuntu","label":"Ubuntu","category":"os"}},"hubHref":"/vendor/canonical/ubuntu_linux"},{"vendor":"canonical","product":"update-manager","name":"update-manager","label":"update-manager","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≤ 1\\:0.87.24","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 1\\:0.87.24","eol":null,"hubHref":"/vendor/canonical/update-manager"}],"affectedCount":2,"eol":{"hasEol":true,"count":1},"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/71494","label":"exchange.xforce.ibmcloud.com/vulnerabilities/71494","hostname":"exchange.xforce.ibmcloud.com","tags":["VDB Entry","X Refsource XF"]},{"url":"http://www.ubuntu.com/usn/USN-1284-1","label":"www.ubuntu.com/usn/USN-1284-1","hostname":"www.ubuntu.com","tags":["Vendor Advisory","X Refsource UBUNTU"]},{"url":"http://www.osvdb.org/77642","label":"www.osvdb.org/77642","hostname":"www.osvdb.org","tags":["VDB Entry","X Refsource OSVDB"]},{"url":"http://www.securityfocus.com/bid/50833","label":"www.securityfocus.com/bid/50833","hostname":"www.securityfocus.com","tags":["VDB Entry","X Refsource BID"]},{"url":"https://bugs.launchpad.net/ubuntu/%2Bsource/update-manager/%2Bbug/881548","label":"bugs.launchpad.net/ubuntu/%2Bsource/update-manager/%2Bbug/881548","hostname":"bugs.launchpad.net","tags":["X Refsource CONFIRM"]},{"url":"http://secunia.com/advisories/47024","label":"secunia.com/advisories/47024","hostname":"secunia.com","tags":["Third Party Advisory","X Refsource SECUNIA"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2014-04-27T20:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-06T23:22:27.618Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":26,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T04:14:15.147Z","stale":false,"partial":false}}