CVE-2011-3152
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network without logging in. Limited direct impact.
- Exploit odds
- 2.3% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 2.3% in the next 30 days (EPSS).
- Severity: 6.4 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 2.3% · EPSS, next 30 days
- Weakness
- CWE-310
- Record status
- Modified
Affected
- Canonical update-manager ≤ 1\:0.87.24
- Canonical update-manager 1\
- Canonical Ubuntu Linux 8.04
- Canonical Ubuntu Linux 10.04
- Canonical Ubuntu Linux 10.10
- Canonical Ubuntu Linux 11.04
- Canonical Ubuntu Linux 11.10
Attack profile CVSS 2.0 · 6.4
- Attack vector
- Network
- Complexity
- Low
- Authentication
- None
- Confidentiality
- Partial
- Integrity
- Partial
- Availability
- None
Raw vector
AV:N/AC:L/Au:N/C:P/I:P/A:N
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2011-3152.md and follow it. Check whether this project is affected by CVE-2011-3152. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
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
- https://exchange.xforce.ibmcloud.com/vulnerabilities/71494
- 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
- https://exchange.xforce.ibmcloud.com/vulnerabilities/71494