Vulnerability-Lookup

OPENSUSE-SU-2023:0031-1

Vulnerability from csaf_opensuse - Published: 2023-01-23 17:01 - Updated: 2023-01-23 17:01

Summary

Security update for upx

Severity

Moderate

Notes

Title of the patch: Security update for upx

Description of the patch: upx was updated to fix the following issues: - CVE-2023-23457: Fixed a segmentation fault when processing malicious elf files (boo#1207122) Update to release 4.0.1 * Fix crash when a linux/armeb LZMA-packed binary unpacks itself. * Resolve 'CantPackException: bad ElfXX_Shdrs' with staticly-linked programs. * Resolve 'CantPackException: need DT_INIT;...' when attempting to re-compress an already packed binary. Update to release 4.0 * Add support for EFI files

Patchnames: openSUSE-2023-31

CVE-2023-23457

5.5 (Medium)


                
                  CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected products

Recommended 8 products

Product	Version	Remediation
Unresolved product id: SUSE Package Hub 15 SP4:upx-4.0.1-bp154.4.3.1.aarch64	—	Vendor Fix
Unresolved product id: SUSE Package Hub 15 SP4:upx-4.0.1-bp154.4.3.1.ppc64le	—	Vendor Fix
Unresolved product id: SUSE Package Hub 15 SP4:upx-4.0.1-bp154.4.3.1.s390x	—	Vendor Fix
Unresolved product id: SUSE Package Hub 15 SP4:upx-4.0.1-bp154.4.3.1.x86_64	—	Vendor Fix
Unresolved product id: openSUSE Leap 15.4:upx-4.0.1-bp154.4.3.1.aarch64	—	Vendor Fix
Unresolved product id: openSUSE Leap 15.4:upx-4.0.1-bp154.4.3.1.ppc64le	—	Vendor Fix
Unresolved product id: openSUSE Leap 15.4:upx-4.0.1-bp154.4.3.1.s390x	—	Vendor Fix
Unresolved product id: openSUSE Leap 15.4:upx-4.0.1-bp154.4.3.1.x86_64	—	Vendor Fix

Threats

Impact moderate

References

8 references

URL	Category
https://www.suse.com/support/security/rating/	external
https://ftp.suse.com/pub/projects/security/csaf/o…	self
https://lists.opensuse.org/archives/list/security…	self
https://lists.opensuse.org/archives/list/security…	self
https://bugzilla.suse.com/1207122	self
https://www.suse.com/security/cve/CVE-2023-23457/	self
https://www.suse.com/security/cve/CVE-2023-23457	external
https://bugzilla.suse.com/1207122	external

JSON

To clipboard

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CVE-2023-23457 (GCVE-0-2023-23457)

Vulnerability from cvelistv5 – Published: 2023-01-12 00:00 – Updated: 2025-04-07 15:31

Title

Upx: segv on packlinuxelf64::invert_pt_dynamic() in p_lx_elf.cpp

Summary

A Segmentation fault was found in UPX in PackLinuxElf64::invert_pt_dynamic() in p_lx_elf.cpp. An attacker with a crafted input file allows invalid memory address access that could lead to a denial of service.

Severity

5.3 (Medium)


                        
                          CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-04-07 14:53 UTC

CWE

CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer

Assigner

fedora redhat root

References

5 references

URL	Tags
https://bugzilla.redhat.com/show_bug.cgi?id=2160382
https://github.com/upx/upx/commit/779b648c5f6aa9b…
https://github.com/upx/upx/issues/631
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisory
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisory

Impacted products

1 product

Vendor	Product	Version
		Unaffected: 4.0.2 , < * (semver)

Date Public

2022-11-24 00:00

Credits

Red Hat would like to thank Chenweijia for reporting this issue.

Show details on NVD website

JSON

To clipboard

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        },
        {
          "url": "https://github.com/upx/upx/commit/779b648c5f6aa9b33f4728f79dd4d0efec0bf860"
        },
        {
          "url": "https://github.com/upx/upx/issues/631"
        },
        {
          "name": "FEDORA-2023-8d91390935",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EL3BVKIGG3SH6I3KPOYQAWCBD4UMPOPI/"
        },
        {
          "name": "FEDORA-2023-89fdc22ace",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TGEP3FBNRZXGLIA2B2ICMB32JVMPREFZ/"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2023-01-12T00:00:00.000Z",
          "value": "Reported to Red Hat."
        },
        {
          "lang": "en",
          "time": "2022-11-24T00:00:00.000Z",
          "value": "Made public."
        }
      ],
      "title": "Upx: segv on packlinuxelf64::invert_pt_dynamic() in p_lx_elf.cpp",
      "x_redhatCweChain": "CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5",
    "assignerShortName": "fedora",
    "cveId": "CVE-2023-23457",
    "datePublished": "2023-01-12T00:00:00.000Z",
    "dateReserved": "2023-01-12T00:00:00.000Z",
    "dateUpdated": "2025-04-07T15:31:13.258Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

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.

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.