VAR-201803-1130
Vulnerability from variot - Updated: 2023-12-18 11:41The add_job function in scheduler/ipp.c in CUPS before 2.2.6, when D-Bus support is enabled, can be crashed by remote attackers by sending print jobs with an invalid username, related to a D-Bus notification. CUPS Contains an input validation vulnerability.Service operation interruption (DoS) There is a possibility of being put into a state. Apple CUPS (Common Unix Printing System) is an open source printing system for OS X and Unix-like systems developed by Apple. The system is based on the Internet Printing Protocol (IPP) and provides most PostScript and raster printer services. A security vulnerability exists in the 'add_job' function in Apple CUPS versions prior to 2.2.6. ========================================================================== Ubuntu Security Notice USN-3713-1 July 11, 2018
cups vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 18.04 LTS
- Ubuntu 17.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
Summary:
Several security issues were fixed in CUPS. A remote attacker could possibly use this issue to cause CUPS to crash, resulting in a denial of service. This issue only affected Ubuntu 14.04 LTS, Ubuntu 17.10 and Ubuntu 18.04 LTS. (CVE-2017-18248)
Dan Bastone discovered that the CUPS dnssd backend incorrectly handled certain environment variables. A local attacker could possibly use this issue to escalate privileges. (CVE-2018-4180)
Eric Rafaloff and John Dunlap discovered that CUPS incorrectly handled certain include directives. A local attacker could possibly use this issue to read arbitrary files. (CVE-2018-4181)
Dan Bastone discovered that the CUPS AppArmor profile incorrectly confined the dnssd backend. A local attacker could possibly use this issue to escape confinement. (CVE-2018-6553)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 18.04 LTS: cups 2.2.7-1ubuntu2.1
Ubuntu 17.10: cups 2.2.4-7ubuntu3.1
Ubuntu 16.04 LTS: cups 2.1.3-4ubuntu0.5
Ubuntu 14.04 LTS: cups 1.7.2-0ubuntu1.10
In general, a standard system update will make all the necessary changes.
References: https://usn.ubuntu.com/usn/usn-3713-1 CVE-2017-18248, CVE-2018-4180, CVE-2018-4181, CVE-2018-6553
Package Information: https://launchpad.net/ubuntu/+source/cups/2.2.7-1ubuntu2.1 https://launchpad.net/ubuntu/+source/cups/2.2.4-7ubuntu3.1 https://launchpad.net/ubuntu/+source/cups/2.1.3-4ubuntu0.5 https://launchpad.net/ubuntu/+source/cups/1.7.2-0ubuntu1.10
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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