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CVE-2012-0786· NVD / CVE Program· CNA redhat

The transform_save function in transform.c in Augeas before 1.0.0 allows local users to overwrite arbitrary files and obtain sensitive infor

The transform_save function in transform.c in Augeas before 1.0.0 allows local users to overwrite arbitrary files and obtain sensitive information via a symlink attack on a .augnew file.

LowCVSS 3.3 · v2.0—No exploit Fix available

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Published
Nov 23, 2013
Updated
Jun 16, 2026
EPSS
0.4% · 36th percentile
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Report tools

JSON

Action score

13

Monitor

Low priority for now.

CVSS
13 / 40 · 3.3 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.4%

Affected systems

VendorProduct
augeasaugeas

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • augeas augeasup to 0.10.0 inclusive
  • augeas augeas0.0.1
  • augeas augeas0.0.2
  • augeas augeas0.0.3
  • augeas augeas0.0.4
  • augeas augeas0.0.5
  • augeas augeas0.0.6
  • augeas augeas0.0.7
  • augeas augeas0.0.8
  • augeas augeas0.1.0
  • augeas augeas0.1.1
  • augeas augeas0.2.0
  • augeas augeas0.2.1
  • augeas augeas0.2.2
  • augeas augeas0.3.0
  • augeas augeas0.3.1
  • augeas augeas0.3.2
  • augeas augeas0.3.3
  • augeas augeas0.3.4
  • augeas augeas0.3.5

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Debian:12augeasbefore 1.0.0-11.0.0-1
Debian:6.0augeasbefore 0.7.2-1+deb6u10.7.2-1+deb6u1
Red Hat:enterprise_linux:6::clientaugeasbefore 0:1.0.0-5.el60:1.0.0-5.el6
Red Hat:enterprise_linux:6::clientaugeas-debuginfobefore 0:1.0.0-5.el60:1.0.0-5.el6
Red Hat:enterprise_linux:6::clientaugeas-develbefore 0:1.0.0-5.el60:1.0.0-5.el6
Red Hat:enterprise_linux:6::clientaugeas-libsbefore 0:1.0.0-5.el60:1.0.0-5.el6

Same product

augeas: all records

Other highest-scoring records for the same primary product.

  • CVE-2017-7555Augeas versions up to and including 1.8.0 are vulnerable to heap-based buffer overflow due to improper handling of escaped strings.
    41Plan
  • CVE-2025-2588Hercules Augeas fa.c re_case_expand null pointer dereference
    19Monitor
  • CVE-2013-6412The transform_save function in transform.c in Augeas 1.0.0 through 1.1.0 does not properly calculate the permission values when the umask co
    18Monitor
  • CVE-2012-0787The clone_file function in transfer.c in Augeas before 1.0.0, when copy_if_rename_fails is set and EXDEV or EBUSY is returned by the rename
    14Monitor
  • CVE-2012-6607The transform_save function in transform.c in Augeas before 1.0.0 allows local users to overwrite arbitrary files and obtain sensitive infor
    13Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
debian:augeas1.0.0-1 · Debian:12Package registry (OSV)
red hat:augeas0:1.0.0-5.el6 · Red Hat:enterprise_linux:6::clientPackage registry (OSV)
red hat:augeas-debuginfo0:1.0.0-5.el6 · Red Hat:enterprise_linux:6::clientPackage registry (OSV)
red hat:augeas-devel0:1.0.0-5.el6 · Red Hat:enterprise_linux:6::clientPackage registry (OSV)
red hat:augeas-libs0:1.0.0-5.el6 · Red Hat:enterprise_linux:6::clientPackage registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

    If successful

    Confidentiality
    P · data can be read
    Integrity
    P · data or configuration can be modified
    Availability
    none
    Attack complexity
    M
    Confidentiality impact
    P
    Integrity impact
    P
    Availability impact
    None

    Weakness class (CWE)

    CWE-59 · Improper Link Resolution Before File Access ('Link Following')

    CVSS vector

    AV:L/AC:M/Au:N/C:P/I:P/A:N

    nvd-primary

    Attack context

    MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

    Change log

    1. Fix✗ → ✓

    For records you follow, these changes also arrive as notifications. →

    References

    Vendor advisories and official records. Exploit/PoC links are deliberately left out.

    All records