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OPENSUSE-SU-2021:0941-1

Vulnerability from csaf_opensuse - Published: 2021-06-29 08:06 - Updated: 2021-06-29 08:06
Summary
Security update for tor
Severity
Important
Notes
Title of the patch: Security update for tor
Description of the patch: This update for tor fixes the following issues: tor 0.4.5.9 * Don't allow relays to spoof RELAY_END or RELAY_RESOLVED cell (CVE-2021-34548, boo#1187322) * Detect more failure conditions from the OpenSSL RNG code (boo#1187323) * Resist a hashtable-based CPU denial-of-service attack against relays (CVE-2021-34549, boo#1187324) * Fix an out-of-bounds memory access in v3 onion service descriptor parsing (CVE-2021-34550, boo#1187325) tor 0.4.5.8 * https://lists.torproject.org/pipermail/tor-announce/2021-May/000219.html * allow Linux sandbox with Glibc 2.33 * work with autoconf 2.70+ * several other minor features and bugfixes (see announcement) - Fix logging issue due to systemd picking up stdout - boo#1181244 Continue to log notices to syslog by default. This update was imported from the openSUSE:Leap:15.2:Update update project.
Patchnames: openSUSE-2021-941
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
CVE-2021-34548
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
Product Identifier Version Remediation
Unresolved product id: SUSE Package Hub 15 SP2:tor-0.4.5.9-bp152.2.12.1.aarch64 —
Vendor Fix
Unresolved product id: SUSE Package Hub 15 SP2:tor-0.4.5.9-bp152.2.12.1.ppc64le —
Vendor Fix
Unresolved product id: SUSE Package Hub 15 SP2:tor-0.4.5.9-bp152.2.12.1.s390x —
Vendor Fix
Unresolved product id: SUSE Package Hub 15 SP2:tor-0.4.5.9-bp152.2.12.1.x86_64 —
Vendor Fix
Threats
Impact important
CVE-2021-34549
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
Recommended 4 products, the same list as for CVE-2021-34548
Threats
Impact moderate
CVE-2021-34550
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
Recommended 4 products, the same list as for CVE-2021-34548
Threats
Impact moderate
References
To clipboard 

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      "title": "CVE-2021-34550"
    }
  ]
}



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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.


Detection rules are retrieved from Rulezet.


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.